Home / 935,173.90-1,402,324.90-485,774.12

Finding the Fourth Proportional to 935,173.90, 1,402,324.90 and 485,774.12

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Solution

The fourth proportional to 935,173.90, 1,402,324.90 and 485,774.12 is: 728,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,173.90 : 1,402,324.90 = 485,774.12 : x
  2. Step 2: Convert to fraction form
    935,173.90/1,402,324.90 = 485,774.12/x
  3. Step 3: Cross multiply
    935,173.90x = 1,402,324.90 × 485,774.12
  4. Step 4: Simplify right side
    935,173.90x = 681,213,149,275.44
  5. Step 5: Solve for x
    x = 681,213,149,275.44/935,173.90
  6. Step 6: Final answer
    x = 728,434.73

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Double scale
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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.