Home / 935,124.30-1,402,358.40-485,695.80

Finding the Fourth Proportional to 935,124.30, 1,402,358.40 and 485,695.80

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Solution

The fourth proportional to 935,124.30, 1,402,358.40 and 485,695.80 is: 728,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,124.30 : 1,402,358.40 = 485,695.80 : x
  2. Step 2: Convert to fraction form
    935,124.30/1,402,358.40 = 485,695.80/x
  3. Step 3: Cross multiply
    935,124.30x = 1,402,358.40 × 485,695.80
  4. Step 4: Simplify right side
    935,124.30x = 681,119,584,974.72
  5. Step 5: Solve for x
    x = 681,119,584,974.72/935,124.30
  6. Step 6: Final answer
    x = 728,373.31

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1.5x scale

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.