Home / 578,766.12-868,141.08-351,115.98

Finding the Fourth Proportional to 578,766.12, 868,141.08 and 351,115.98

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Solution

The fourth proportional to 578,766.12, 868,141.08 and 351,115.98 is: 526,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,766.12 : 868,141.08 = 351,115.98 : x
  2. Step 2: Convert to fraction form
    578,766.12/868,141.08 = 351,115.98/x
  3. Step 3: Cross multiply
    578,766.12x = 868,141.08 × 351,115.98
  4. Step 4: Simplify right side
    578,766.12x = 304,818,206,082.46
  5. Step 5: Solve for x
    x = 304,818,206,082.46/578,766.12
  6. Step 6: Final answer
    x = 526,669.06

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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.