Home / 677,952.30-935,585.10-391,497.42

Finding the Fourth Proportional to 677,952.30, 935,585.10 and 391,497.42

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Solution

The fourth proportional to 677,952.30, 935,585.10 and 391,497.42 is: 540,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,952.30 : 935,585.10 = 391,497.42 : x
  2. Step 2: Convert to fraction form
    677,952.30/935,585.10 = 391,497.42/x
  3. Step 3: Cross multiply
    677,952.30x = 935,585.10 × 391,497.42
  4. Step 4: Simplify right side
    677,952.30x = 366,279,152,840.44
  5. Step 5: Solve for x
    x = 366,279,152,840.44/677,952.30
  6. Step 6: Final answer
    x = 540,272.75

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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.