Home / 867,542.26-1,197,223.12-475,109.72

Finding the Fourth Proportional to 867,542.26, 1,197,223.12 and 475,109.72

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Solution

The fourth proportional to 867,542.26, 1,197,223.12 and 475,109.72 is: 655,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,542.26 : 1,197,223.12 = 475,109.72 : x
  2. Step 2: Convert to fraction form
    867,542.26/1,197,223.12 = 475,109.72/x
  3. Step 3: Cross multiply
    867,542.26x = 1,197,223.12 × 475,109.72
  4. Step 4: Simplify right side
    867,542.26x = 568,812,341,320.73
  5. Step 5: Solve for x
    x = 568,812,341,320.73/867,542.26
  6. Step 6: Final answer
    x = 655,659.52

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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.