Home / 862,541.46-1,293,285.15-413,399.70

Finding the Fourth Proportional to 862,541.46, 1,293,285.15 and 413,399.70

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Solution

The fourth proportional to 862,541.46, 1,293,285.15 and 413,399.70 is: 619,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,541.46 : 1,293,285.15 = 413,399.70 : x
  2. Step 2: Convert to fraction form
    862,541.46/1,293,285.15 = 413,399.70/x
  3. Step 3: Cross multiply
    862,541.46x = 1,293,285.15 × 413,399.70
  4. Step 4: Simplify right side
    862,541.46x = 534,643,693,024.46
  5. Step 5: Solve for x
    x = 534,643,693,024.46/862,541.46
  6. Step 6: Final answer
    x = 619,846.95

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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.