Home / 1,010,676.80-1,516,015.20-411,329.45

Finding the Fourth Proportional to 1,010,676.80, 1,516,015.20 and 411,329.45

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Solution

The fourth proportional to 1,010,676.80, 1,516,015.20 and 411,329.45 is: 616,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,676.80 : 1,516,015.20 = 411,329.45 : x
  2. Step 2: Convert to fraction form
    1,010,676.80/1,516,015.20 = 411,329.45/x
  3. Step 3: Cross multiply
    1,010,676.80x = 1,516,015.20 × 411,329.45
  4. Step 4: Simplify right side
    1,010,676.80x = 623,581,698,407.64
  5. Step 5: Solve for x
    x = 623,581,698,407.64/1,010,676.80
  6. Step 6: Final answer
    x = 616,994.18

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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.