Home / 710,660.10-1,066,573.35-687,332.10

Finding the Fourth Proportional to 710,660.10, 1,066,573.35 and 687,332.10

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Solution

The fourth proportional to 710,660.10, 1,066,573.35 and 687,332.10 is: 1,031,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,660.10 : 1,066,573.35 = 687,332.10 : x
  2. Step 2: Convert to fraction form
    710,660.10/1,066,573.35 = 687,332.10/x
  3. Step 3: Cross multiply
    710,660.10x = 1,066,573.35 × 687,332.10
  4. Step 4: Simplify right side
    710,660.10x = 733,090,100,459.54
  5. Step 5: Solve for x
    x = 733,090,100,459.54/710,660.10
  6. Step 6: Final answer
    x = 1,031,562.21

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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.