Home / 731,655.68-1,097,525.76-282,378.88

Finding the Fourth Proportional to 731,655.68, 1,097,525.76 and 282,378.88

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Solution

The fourth proportional to 731,655.68, 1,097,525.76 and 282,378.88 is: 423,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,655.68 : 1,097,525.76 = 282,378.88 : x
  2. Step 2: Convert to fraction form
    731,655.68/1,097,525.76 = 282,378.88/x
  3. Step 3: Cross multiply
    731,655.68x = 1,097,525.76 × 282,378.88
  4. Step 4: Simplify right side
    731,655.68x = 309,918,094,879.95
  5. Step 5: Solve for x
    x = 309,918,094,879.95/731,655.68
  6. Step 6: Final answer
    x = 423,584.62

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.