Home / 730,041.03-1,007,446.08-407,755.80

Finding the Fourth Proportional to 730,041.03, 1,007,446.08 and 407,755.80

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Solution

The fourth proportional to 730,041.03, 1,007,446.08 and 407,755.80 is: 562,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,041.03 : 1,007,446.08 = 407,755.80 : x
  2. Step 2: Convert to fraction form
    730,041.03/1,007,446.08 = 407,755.80/x
  3. Step 3: Cross multiply
    730,041.03x = 1,007,446.08 × 407,755.80
  4. Step 4: Simplify right side
    730,041.03x = 410,791,982,307.26
  5. Step 5: Solve for x
    x = 410,791,982,307.26/730,041.03
  6. Step 6: Final answer
    x = 562,697.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.