Home / 726,005.20-1,086,934.20-651,355.60

Finding the Fourth Proportional to 726,005.20, 1,086,934.20 and 651,355.60

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Solution

The fourth proportional to 726,005.20, 1,086,934.20 and 651,355.60 is: 975,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,005.20 : 1,086,934.20 = 651,355.60 : x
  2. Step 2: Convert to fraction form
    726,005.20/1,086,934.20 = 651,355.60/x
  3. Step 3: Cross multiply
    726,005.20x = 1,086,934.20 × 651,355.60
  4. Step 4: Simplify right side
    726,005.20x = 707,980,678,001.52
  5. Step 5: Solve for x
    x = 707,980,678,001.52/726,005.20
  6. Step 6: Final answer
    x = 975,173.01

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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.