Home / 1,010,805.30-1,515,770.55-411,567.30

Finding the Fourth Proportional to 1,010,805.30, 1,515,770.55 and 411,567.30

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Solution

The fourth proportional to 1,010,805.30, 1,515,770.55 and 411,567.30 is: 617,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,805.30 : 1,515,770.55 = 411,567.30 : x
  2. Step 2: Convert to fraction form
    1,010,805.30/1,515,770.55 = 411,567.30/x
  3. Step 3: Cross multiply
    1,010,805.30x = 1,515,770.55 × 411,567.30
  4. Step 4: Simplify right side
    1,010,805.30x = 623,841,592,683.02
  5. Step 5: Solve for x
    x = 623,841,592,683.02/1,010,805.30
  6. Step 6: Final answer
    x = 617,172.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.