Home / 1,013,612.56-1,520,859.80-635,400.08

Finding the Fourth Proportional to 1,013,612.56, 1,520,859.80 and 635,400.08

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Solution

The fourth proportional to 1,013,612.56, 1,520,859.80 and 635,400.08 is: 953,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,612.56 : 1,520,859.80 = 635,400.08 : x
  2. Step 2: Convert to fraction form
    1,013,612.56/1,520,859.80 = 635,400.08/x
  3. Step 3: Cross multiply
    1,013,612.56x = 1,520,859.80 × 635,400.08
  4. Step 4: Simplify right side
    1,013,612.56x = 966,354,438,588.78
  5. Step 5: Solve for x
    x = 966,354,438,588.78/1,013,612.56
  6. Step 6: Final answer
    x = 953,376.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.