Home / 1,010,677.80-1,516,016.70-411,330.45

Finding the Fourth Proportional to 1,010,677.80, 1,516,016.70 and 411,330.45

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Solution

The fourth proportional to 1,010,677.80, 1,516,016.70 and 411,330.45 is: 616,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,677.80 : 1,516,016.70 = 411,330.45 : x
  2. Step 2: Convert to fraction form
    1,010,677.80/1,516,016.70 = 411,330.45/x
  3. Step 3: Cross multiply
    1,010,677.80x = 1,516,016.70 × 411,330.45
  4. Step 4: Simplify right side
    1,010,677.80x = 623,583,831,418.52
  5. Step 5: Solve for x
    x = 623,583,831,418.52/1,010,677.80
  6. Step 6: Final answer
    x = 616,995.68

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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.