Home / 886,737.40-1,223,259.15-523,985.74

Finding the Fourth Proportional to 886,737.40, 1,223,259.15 and 523,985.74

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Solution

The fourth proportional to 886,737.40, 1,223,259.15 and 523,985.74 is: 722,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,737.40 : 1,223,259.15 = 523,985.74 : x
  2. Step 2: Convert to fraction form
    886,737.40/1,223,259.15 = 523,985.74/x
  3. Step 3: Cross multiply
    886,737.40x = 1,223,259.15 × 523,985.74
  4. Step 4: Simplify right side
    886,737.40x = 640,970,350,924.52
  5. Step 5: Solve for x
    x = 640,970,350,924.52/886,737.40
  6. Step 6: Final answer
    x = 722,841.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.