Home / 1,125,499.50-1,553,190.14-609,251.78

Finding the Fourth Proportional to 1,125,499.50, 1,553,190.14 and 609,251.78

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Solution

The fourth proportional to 1,125,499.50, 1,553,190.14 and 609,251.78 is: 840,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,499.50 : 1,553,190.14 = 609,251.78 : x
  2. Step 2: Convert to fraction form
    1,125,499.50/1,553,190.14 = 609,251.78/x
  3. Step 3: Cross multiply
    1,125,499.50x = 1,553,190.14 × 609,251.78
  4. Step 4: Simplify right side
    1,125,499.50x = 946,283,846,661.24
  5. Step 5: Solve for x
    x = 946,283,846,661.24/1,125,499.50
  6. Step 6: Final answer
    x = 840,767.90

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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.