Home / 656,741.52-985,112.28-507,199.93

Finding the Fourth Proportional to 656,741.52, 985,112.28 and 507,199.93

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Solution

The fourth proportional to 656,741.52, 985,112.28 and 507,199.93 is: 760,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,741.52 : 985,112.28 = 507,199.93 : x
  2. Step 2: Convert to fraction form
    656,741.52/985,112.28 = 507,199.93/x
  3. Step 3: Cross multiply
    656,741.52x = 985,112.28 × 507,199.93
  4. Step 4: Simplify right side
    656,741.52x = 499,648,876,995.36
  5. Step 5: Solve for x
    x = 499,648,876,995.36/656,741.52
  6. Step 6: Final answer
    x = 760,799.89

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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.