Home / 838,281.20-1,251,335.65-775,833.44

Finding the Fourth Proportional to 838,281.20, 1,251,335.65 and 775,833.44

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Solution

The fourth proportional to 838,281.20, 1,251,335.65 and 775,833.44 is: 1,158,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,281.20 : 1,251,335.65 = 775,833.44 : x
  2. Step 2: Convert to fraction form
    838,281.20/1,251,335.65 = 775,833.44/x
  3. Step 3: Cross multiply
    838,281.20x = 1,251,335.65 × 775,833.44
  4. Step 4: Simplify right side
    838,281.20x = 970,828,041,934.14
  5. Step 5: Solve for x
    x = 970,828,041,934.14/838,281.20
  6. Step 6: Final answer
    x = 1,158,117.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.