Home / 1,040,535.50-1,560,086.13-409,521.74

Finding the Fourth Proportional to 1,040,535.50, 1,560,086.13 and 409,521.74

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Solution

The fourth proportional to 1,040,535.50, 1,560,086.13 and 409,521.74 is: 614,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,535.50 : 1,560,086.13 = 409,521.74 : x
  2. Step 2: Convert to fraction form
    1,040,535.50/1,560,086.13 = 409,521.74/x
  3. Step 3: Cross multiply
    1,040,535.50x = 1,560,086.13 × 409,521.74
  4. Step 4: Simplify right side
    1,040,535.50x = 638,889,186,507.47
  5. Step 5: Solve for x
    x = 638,889,186,507.47/1,040,535.50
  6. Step 6: Final answer
    x = 614,000.37

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1.5x scale

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.