Home / 867,572.91-1,197,250.20-485,599.59

Finding the Fourth Proportional to 867,572.91, 1,197,250.20 and 485,599.59

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Solution

The fourth proportional to 867,572.91, 1,197,250.20 and 485,599.59 is: 670,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,572.91 : 1,197,250.20 = 485,599.59 : x
  2. Step 2: Convert to fraction form
    867,572.91/1,197,250.20 = 485,599.59/x
  3. Step 3: Cross multiply
    867,572.91x = 1,197,250.20 × 485,599.59
  4. Step 4: Simplify right side
    867,572.91x = 581,384,206,247.42
  5. Step 5: Solve for x
    x = 581,384,206,247.42/867,572.91
  6. Step 6: Final answer
    x = 670,127.20

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Double scale
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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.