Home / 840,598.16-1,159,977.92-478,110.20

Finding the Fourth Proportional to 840,598.16, 1,159,977.92 and 478,110.20

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Solution

The fourth proportional to 840,598.16, 1,159,977.92 and 478,110.20 is: 659,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,598.16 : 1,159,977.92 = 478,110.20 : x
  2. Step 2: Convert to fraction form
    840,598.16/1,159,977.92 = 478,110.20/x
  3. Step 3: Cross multiply
    840,598.16x = 1,159,977.92 × 478,110.20
  4. Step 4: Simplify right side
    840,598.16x = 554,597,275,326.78
  5. Step 5: Solve for x
    x = 554,597,275,326.78/840,598.16
  6. Step 6: Final answer
    x = 659,765.04

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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.