Home / 963,742.70-1,445,614.05-515,845.10

Finding the Fourth Proportional to 963,742.70, 1,445,614.05 and 515,845.10

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Solution

The fourth proportional to 963,742.70, 1,445,614.05 and 515,845.10 is: 773,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,742.70 : 1,445,614.05 = 515,845.10 : x
  2. Step 2: Convert to fraction form
    963,742.70/1,445,614.05 = 515,845.10/x
  3. Step 3: Cross multiply
    963,742.70x = 1,445,614.05 × 515,845.10
  4. Step 4: Simplify right side
    963,742.70x = 745,712,924,183.66
  5. Step 5: Solve for x
    x = 745,712,924,183.66/963,742.70
  6. Step 6: Final answer
    x = 773,767.65

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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.