Home / 731,514.76-1,009,491.86-409,230.24

Finding the Fourth Proportional to 731,514.76, 1,009,491.86 and 409,230.24

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Solution

The fourth proportional to 731,514.76, 1,009,491.86 and 409,230.24 is: 564,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,514.76 : 1,009,491.86 = 409,230.24 : x
  2. Step 2: Convert to fraction form
    731,514.76/1,009,491.86 = 409,230.24/x
  3. Step 3: Cross multiply
    731,514.76x = 1,009,491.86 × 409,230.24
  4. Step 4: Simplify right side
    731,514.76x = 413,114,596,145.85
  5. Step 5: Solve for x
    x = 413,114,596,145.85/731,514.76
  6. Step 6: Final answer
    x = 564,738.57

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Double scale
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Similar ratio
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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.