Home / 659,440.08-910,199.16-417,839.76

Finding the Fourth Proportional to 659,440.08, 910,199.16 and 417,839.76

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Solution

The fourth proportional to 659,440.08, 910,199.16 and 417,839.76 is: 576,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,440.08 : 910,199.16 = 417,839.76 : x
  2. Step 2: Convert to fraction form
    659,440.08/910,199.16 = 417,839.76/x
  3. Step 3: Cross multiply
    659,440.08x = 910,199.16 × 417,839.76
  4. Step 4: Simplify right side
    659,440.08x = 380,317,398,566.60
  5. Step 5: Solve for x
    x = 380,317,398,566.60/659,440.08
  6. Step 6: Final answer
    x = 576,727.76

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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.