Home / 729,962.40-1,094,468.40-655,312.80

Finding the Fourth Proportional to 729,962.40, 1,094,468.40 and 655,312.80

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Solution

The fourth proportional to 729,962.40, 1,094,468.40 and 655,312.80 is: 982,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,962.40 : 1,094,468.40 = 655,312.80 : x
  2. Step 2: Convert to fraction form
    729,962.40/1,094,468.40 = 655,312.80/x
  3. Step 3: Cross multiply
    729,962.40x = 1,094,468.40 × 655,312.80
  4. Step 4: Simplify right side
    729,962.40x = 717,219,151,715.52
  5. Step 5: Solve for x
    x = 717,219,151,715.52/729,962.40
  6. Step 6: Final answer
    x = 982,542.60

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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.