Home / 589,518.15-813,538.03-344,517.20

Finding the Fourth Proportional to 589,518.15, 813,538.03 and 344,517.20

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Solution

The fourth proportional to 589,518.15, 813,538.03 and 344,517.20 is: 475,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,518.15 : 813,538.03 = 344,517.20 : x
  2. Step 2: Convert to fraction form
    589,518.15/813,538.03 = 344,517.20/x
  3. Step 3: Cross multiply
    589,518.15x = 813,538.03 × 344,517.20
  4. Step 4: Simplify right side
    589,518.15x = 280,277,842,956.87
  5. Step 5: Solve for x
    x = 280,277,842,956.87/589,518.15
  6. Step 6: Final answer
    x = 475,435.48

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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.