Home / 656,527.15-984,876.75-257,116.02

Finding the Fourth Proportional to 656,527.15, 984,876.75 and 257,116.02

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Solution

The fourth proportional to 656,527.15, 984,876.75 and 257,116.02 is: 385,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,527.15 : 984,876.75 = 257,116.02 : x
  2. Step 2: Convert to fraction form
    656,527.15/984,876.75 = 257,116.02/x
  3. Step 3: Cross multiply
    656,527.15x = 984,876.75 × 257,116.02
  4. Step 4: Simplify right side
    656,527.15x = 253,227,590,150.54
  5. Step 5: Solve for x
    x = 253,227,590,150.54/656,527.15
  6. Step 6: Final answer
    x = 385,707.72

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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.