Home / 936,287.10-1,404,430.65-576,744.30

Finding the Fourth Proportional to 936,287.10, 1,404,430.65 and 576,744.30

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Solution

The fourth proportional to 936,287.10, 1,404,430.65 and 576,744.30 is: 865,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,287.10 : 1,404,430.65 = 576,744.30 : x
  2. Step 2: Convert to fraction form
    936,287.10/1,404,430.65 = 576,744.30/x
  3. Step 3: Cross multiply
    936,287.10x = 1,404,430.65 × 576,744.30
  4. Step 4: Simplify right side
    936,287.10x = 809,997,372,132.80
  5. Step 5: Solve for x
    x = 809,997,372,132.80/936,287.10
  6. Step 6: Final answer
    x = 865,116.45

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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.