Home / 710,560.60-1,066,424.10-687,232.60

Finding the Fourth Proportional to 710,560.60, 1,066,424.10 and 687,232.60

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Solution

The fourth proportional to 710,560.60, 1,066,424.10 and 687,232.60 is: 1,031,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,560.60 : 1,066,424.10 = 687,232.60 : x
  2. Step 2: Convert to fraction form
    710,560.60/1,066,424.10 = 687,232.60/x
  3. Step 3: Cross multiply
    710,560.60x = 1,066,424.10 × 687,232.60
  4. Step 4: Simplify right side
    710,560.60x = 732,881,406,945.66
  5. Step 5: Solve for x
    x = 732,881,406,945.66/710,560.60
  6. Step 6: Final answer
    x = 1,031,412.95

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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.