Home / 658,364.96-908,935.19-416,854.55

Finding the Fourth Proportional to 658,364.96, 908,935.19 and 416,854.55

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Solution

The fourth proportional to 658,364.96, 908,935.19 and 416,854.55 is: 575,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,364.96 : 908,935.19 = 416,854.55 : x
  2. Step 2: Convert to fraction form
    658,364.96/908,935.19 = 416,854.55/x
  3. Step 3: Cross multiply
    658,364.96x = 908,935.19 × 416,854.55
  4. Step 4: Simplify right side
    658,364.96x = 378,893,772,921.09
  5. Step 5: Solve for x
    x = 378,893,772,921.09/658,364.96
  6. Step 6: Final answer
    x = 575,507.20

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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.