Home / 842,197.20-1,162,229.76-460,226.40

Finding the Fourth Proportional to 842,197.20, 1,162,229.76 and 460,226.40

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Solution

The fourth proportional to 842,197.20, 1,162,229.76 and 460,226.40 is: 635,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,197.20 : 1,162,229.76 = 460,226.40 : x
  2. Step 2: Convert to fraction form
    842,197.20/1,162,229.76 = 460,226.40/x
  3. Step 3: Cross multiply
    842,197.20x = 1,162,229.76 × 460,226.40
  4. Step 4: Simplify right side
    842,197.20x = 534,888,818,417.66
  5. Step 5: Solve for x
    x = 534,888,818,417.66/842,197.20
  6. Step 6: Final answer
    x = 635,111.13

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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.