Home / 677,928.79-935,539.13-372,010.29

Finding the Fourth Proportional to 677,928.79, 935,539.13 and 372,010.29

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Solution

The fourth proportional to 677,928.79, 935,539.13 and 372,010.29 is: 513,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,928.79 : 935,539.13 = 372,010.29 : x
  2. Step 2: Convert to fraction form
    677,928.79/935,539.13 = 372,010.29/x
  3. Step 3: Cross multiply
    677,928.79x = 935,539.13 × 372,010.29
  4. Step 4: Simplify right side
    677,928.79x = 348,030,178,379.95
  5. Step 5: Solve for x
    x = 348,030,178,379.95/677,928.79
  6. Step 6: Final answer
    x = 513,372.77

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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.