Home / 890,598.24-1,229,022.72-482,701.68

Finding the Fourth Proportional to 890,598.24, 1,229,022.72 and 482,701.68

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Solution

The fourth proportional to 890,598.24, 1,229,022.72 and 482,701.68 is: 666,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,598.24 : 1,229,022.72 = 482,701.68 : x
  2. Step 2: Convert to fraction form
    890,598.24/1,229,022.72 = 482,701.68/x
  3. Step 3: Cross multiply
    890,598.24x = 1,229,022.72 × 482,701.68
  4. Step 4: Simplify right side
    890,598.24x = 593,251,331,702.17
  5. Step 5: Solve for x
    x = 593,251,331,702.17/890,598.24
  6. Step 6: Final answer
    x = 666,126.77

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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.