Home / 704,724.63-972,520.61-382,434.72

Finding the Fourth Proportional to 704,724.63, 972,520.61 and 382,434.72

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Solution

The fourth proportional to 704,724.63, 972,520.61 and 382,434.72 is: 527,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,724.63 : 972,520.61 = 382,434.72 : x
  2. Step 2: Convert to fraction form
    704,724.63/972,520.61 = 382,434.72/x
  3. Step 3: Cross multiply
    704,724.63x = 972,520.61 × 382,434.72
  4. Step 4: Simplify right side
    704,724.63x = 371,925,645,267.41
  5. Step 5: Solve for x
    x = 371,925,645,267.41/704,724.63
  6. Step 6: Final answer
    x = 527,760.25

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1.5x scale

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.