Home / 656,541.18-984,897.88-257,130.04

Finding the Fourth Proportional to 656,541.18, 984,897.88 and 257,130.04

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Solution

The fourth proportional to 656,541.18, 984,897.88 and 257,130.04 is: 385,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,541.18 : 984,897.88 = 257,130.04 : x
  2. Step 2: Convert to fraction form
    656,541.18/984,897.88 = 257,130.04/x
  3. Step 3: Cross multiply
    656,541.18x = 984,897.88 × 257,130.04
  4. Step 4: Simplify right side
    656,541.18x = 253,246,831,280.32
  5. Step 5: Solve for x
    x = 253,246,831,280.32/656,541.18
  6. Step 6: Final answer
    x = 385,728.78

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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.