Home / 554,658.48-831,923.46-155,331.18

Finding the Fourth Proportional to 554,658.48, 831,923.46 and 155,331.18

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Solution

The fourth proportional to 554,658.48, 831,923.46 and 155,331.18 is: 232,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,658.48 : 831,923.46 = 155,331.18 : x
  2. Step 2: Convert to fraction form
    554,658.48/831,923.46 = 155,331.18/x
  3. Step 3: Cross multiply
    554,658.48x = 831,923.46 × 155,331.18
  4. Step 4: Simplify right side
    554,658.48x = 129,223,652,711.48
  5. Step 5: Solve for x
    x = 129,223,652,711.48/554,658.48
  6. Step 6: Final answer
    x = 232,978.77

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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.