Home / 661,902.37-913,429.25-360,098.53

Finding the Fourth Proportional to 661,902.37, 913,429.25 and 360,098.53

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Solution

The fourth proportional to 661,902.37, 913,429.25 and 360,098.53 is: 496,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,902.37 : 913,429.25 = 360,098.53 : x
  2. Step 2: Convert to fraction form
    661,902.37/913,429.25 = 360,098.53/x
  3. Step 3: Cross multiply
    661,902.37x = 913,429.25 × 360,098.53
  4. Step 4: Simplify right side
    661,902.37x = 328,924,530,184.00
  5. Step 5: Solve for x
    x = 328,924,530,184.00/661,902.37
  6. Step 6: Final answer
    x = 496,938.14

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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.