Home / 972,484.88-1,342,156.08-542,854.19

Finding the Fourth Proportional to 972,484.88, 1,342,156.08 and 542,854.19

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Solution

The fourth proportional to 972,484.88, 1,342,156.08 and 542,854.19 is: 749,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,484.88 : 1,342,156.08 = 542,854.19 : x
  2. Step 2: Convert to fraction form
    972,484.88/1,342,156.08 = 542,854.19/x
  3. Step 3: Cross multiply
    972,484.88x = 1,342,156.08 × 542,854.19
  4. Step 4: Simplify right side
    972,484.88x = 728,595,044,951.20
  5. Step 5: Solve for x
    x = 728,595,044,951.20/972,484.88
  6. Step 6: Final answer
    x = 749,209.64

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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.