Home / 658,789.42-908,795.53-416,664.22

Finding the Fourth Proportional to 658,789.42, 908,795.53 and 416,664.22

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Solution

The fourth proportional to 658,789.42, 908,795.53 and 416,664.22 is: 574,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,789.42 : 908,795.53 = 416,664.22 : x
  2. Step 2: Convert to fraction form
    658,789.42/908,795.53 = 416,664.22/x
  3. Step 3: Cross multiply
    658,789.42x = 908,795.53 × 416,664.22
  4. Step 4: Simplify right side
    658,789.42x = 378,662,580,646.94
  5. Step 5: Solve for x
    x = 378,662,580,646.94/658,789.42
  6. Step 6: Final answer
    x = 574,785.46

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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.