Home / 867,500.20-1,197,150.13-485,526.99

Finding the Fourth Proportional to 867,500.20, 1,197,150.13 and 485,526.99

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Solution

The fourth proportional to 867,500.20, 1,197,150.13 and 485,526.99 is: 670,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,500.20 : 1,197,150.13 = 485,526.99 : x
  2. Step 2: Convert to fraction form
    867,500.20/1,197,150.13 = 485,526.99/x
  3. Step 3: Cross multiply
    867,500.20x = 1,197,150.13 × 485,526.99
  4. Step 4: Simplify right side
    867,500.20x = 581,248,694,192.28
  5. Step 5: Solve for x
    x = 581,248,694,192.28/867,500.20
  6. Step 6: Final answer
    x = 670,027.16

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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.