Home / 842,172.01-1,162,226.05-460,223.39

Finding the Fourth Proportional to 842,172.01, 1,162,226.05 and 460,223.39

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Solution

The fourth proportional to 842,172.01, 1,162,226.05 and 460,223.39 is: 635,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,172.01 : 1,162,226.05 = 460,223.39 : x
  2. Step 2: Convert to fraction form
    842,172.01/1,162,226.05 = 460,223.39/x
  3. Step 3: Cross multiply
    842,172.01x = 1,162,226.05 × 460,223.39
  4. Step 4: Simplify right side
    842,172.01x = 534,883,614,432.32
  5. Step 5: Solve for x
    x = 534,883,614,432.32/842,172.01
  6. Step 6: Final answer
    x = 635,123.95

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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.