Home / 867,514.38-1,197,207.21-480,329.76

Finding the Fourth Proportional to 867,514.38, 1,197,207.21 and 480,329.76

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Solution

The fourth proportional to 867,514.38, 1,197,207.21 and 480,329.76 is: 662,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,514.38 : 1,197,207.21 = 480,329.76 : x
  2. Step 2: Convert to fraction form
    867,514.38/1,197,207.21 = 480,329.76/x
  3. Step 3: Cross multiply
    867,514.38x = 1,197,207.21 × 480,329.76
  4. Step 4: Simplify right side
    867,514.38x = 575,054,251,849.57
  5. Step 5: Solve for x
    x = 575,054,251,849.57/867,514.38
  6. Step 6: Final answer
    x = 662,875.76

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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.