Home / 867,514.33-1,197,086.65-480,315.57

Finding the Fourth Proportional to 867,514.33, 1,197,086.65 and 480,315.57

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Solution

The fourth proportional to 867,514.33, 1,197,086.65 and 480,315.57 is: 662,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,514.33 : 1,197,086.65 = 480,315.57 : x
  2. Step 2: Convert to fraction form
    867,514.33/1,197,086.65 = 480,315.57/x
  3. Step 3: Cross multiply
    867,514.33x = 1,197,086.65 × 480,315.57
  4. Step 4: Simplify right side
    867,514.33x = 574,979,350,102.58
  5. Step 5: Solve for x
    x = 574,979,350,102.58/867,514.33
  6. Step 6: Final answer
    x = 662,789.46

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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.