Home / 657,307.38-986,017.53-230,806.55

Finding the Fourth Proportional to 657,307.38, 986,017.53 and 230,806.55

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Solution

The fourth proportional to 657,307.38, 986,017.53 and 230,806.55 is: 346,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,307.38 : 986,017.53 = 230,806.55 : x
  2. Step 2: Convert to fraction form
    657,307.38/986,017.53 = 230,806.55/x
  3. Step 3: Cross multiply
    657,307.38x = 986,017.53 × 230,806.55
  4. Step 4: Simplify right side
    657,307.38x = 227,579,304,338.82
  5. Step 5: Solve for x
    x = 227,579,304,338.82/657,307.38
  6. Step 6: Final answer
    x = 346,229.65

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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.