Home / 731,211.10-1,097,464.65-431,316.70

Finding the Fourth Proportional to 731,211.10, 1,097,464.65 and 431,316.70

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Solution

The fourth proportional to 731,211.10, 1,097,464.65 and 431,316.70 is: 647,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,211.10 : 1,097,464.65 = 431,316.70 : x
  2. Step 2: Convert to fraction form
    731,211.10/1,097,464.65 = 431,316.70/x
  3. Step 3: Cross multiply
    731,211.10x = 1,097,464.65 × 431,316.70
  4. Step 4: Simplify right side
    731,211.10x = 473,354,831,204.66
  5. Step 5: Solve for x
    x = 473,354,831,204.66/731,211.10
  6. Step 6: Final answer
    x = 647,357.28

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