Home / 870,678.24-1,201,566.04-483,500.15

Finding the Fourth Proportional to 870,678.24, 1,201,566.04 and 483,500.15

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Solution

The fourth proportional to 870,678.24, 1,201,566.04 and 483,500.15 is: 667,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,678.24 : 1,201,566.04 = 483,500.15 : x
  2. Step 2: Convert to fraction form
    870,678.24/1,201,566.04 = 483,500.15/x
  3. Step 3: Cross multiply
    870,678.24x = 1,201,566.04 × 483,500.15
  4. Step 4: Simplify right side
    870,678.24x = 580,957,352,753.95
  5. Step 5: Solve for x
    x = 580,957,352,753.95/870,678.24
  6. Step 6: Final answer
    x = 667,246.89

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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.