Home / 1,041,320.25-1,561,382.60-409,889.61

Finding the Fourth Proportional to 1,041,320.25, 1,561,382.60 and 409,889.61

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Solution

The fourth proportional to 1,041,320.25, 1,561,382.60 and 409,889.61 is: 614,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,320.25 : 1,561,382.60 = 409,889.61 : x
  2. Step 2: Convert to fraction form
    1,041,320.25/1,561,382.60 = 409,889.61/x
  3. Step 3: Cross multiply
    1,041,320.25x = 1,561,382.60 × 409,889.61
  4. Step 4: Simplify right side
    1,041,320.25x = 639,994,502,925.34
  5. Step 5: Solve for x
    x = 639,994,502,925.34/1,041,320.25
  6. Step 6: Final answer
    x = 614,599.11

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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.