Home / 783,117.60-1,173,121.20-466,634.40

Finding the Fourth Proportional to 783,117.60, 1,173,121.20 and 466,634.40

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Solution

The fourth proportional to 783,117.60, 1,173,121.20 and 466,634.40 is: 699,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,117.60 : 1,173,121.20 = 466,634.40 : x
  2. Step 2: Convert to fraction form
    783,117.60/1,173,121.20 = 466,634.40/x
  3. Step 3: Cross multiply
    783,117.60x = 1,173,121.20 × 466,634.40
  4. Step 4: Simplify right side
    783,117.60x = 547,418,707,289.28
  5. Step 5: Solve for x
    x = 547,418,707,289.28/783,117.60
  6. Step 6: Final answer
    x = 699,024.91

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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.