Home / 656,943.89-985,414.01-158,307.89

Finding the Fourth Proportional to 656,943.89, 985,414.01 and 158,307.89

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Solution

The fourth proportional to 656,943.89, 985,414.01 and 158,307.89 is: 237,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,943.89 : 985,414.01 = 158,307.89 : x
  2. Step 2: Convert to fraction form
    656,943.89/985,414.01 = 158,307.89/x
  3. Step 3: Cross multiply
    656,943.89x = 985,414.01 × 158,307.89
  4. Step 4: Simplify right side
    656,943.89x = 155,998,806,980.93
  5. Step 5: Solve for x
    x = 155,998,806,980.93/656,943.89
  6. Step 6: Final answer
    x = 237,461.39

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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.