Home / 612,701.20-844,590.54-430,917.76

Finding the Fourth Proportional to 612,701.20, 844,590.54 and 430,917.76

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Solution

The fourth proportional to 612,701.20, 844,590.54 and 430,917.76 is: 594,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,701.20 : 844,590.54 = 430,917.76 : x
  2. Step 2: Convert to fraction form
    612,701.20/844,590.54 = 430,917.76/x
  3. Step 3: Cross multiply
    612,701.20x = 844,590.54 × 430,917.76
  4. Step 4: Simplify right side
    612,701.20x = 363,949,063,613.99
  5. Step 5: Solve for x
    x = 363,949,063,613.99/612,701.20
  6. Step 6: Final answer
    x = 594,007.43

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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.