Home / 412,740.18-569,340.13-259,535.90

Finding the Fourth Proportional to 412,740.18, 569,340.13 and 259,535.90

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Solution

The fourth proportional to 412,740.18, 569,340.13 and 259,535.90 is: 358,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,740.18 : 569,340.13 = 259,535.90 : x
  2. Step 2: Convert to fraction form
    412,740.18/569,340.13 = 259,535.90/x
  3. Step 3: Cross multiply
    412,740.18x = 569,340.13 × 259,535.90
  4. Step 4: Simplify right side
    412,740.18x = 147,764,203,045.67
  5. Step 5: Solve for x
    x = 147,764,203,045.67/412,740.18
  6. Step 6: Final answer
    x = 358,007.80

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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.