Home / 1,643,806.20-2,466,098.10-521,875.20

Finding the Fourth Proportional to 1,643,806.20, 2,466,098.10 and 521,875.20

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Solution

The fourth proportional to 1,643,806.20, 2,466,098.10 and 521,875.20 is: 782,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,806.20 : 2,466,098.10 = 521,875.20 : x
  2. Step 2: Convert to fraction form
    1,643,806.20/2,466,098.10 = 521,875.20/x
  3. Step 3: Cross multiply
    1,643,806.20x = 2,466,098.10 × 521,875.20
  4. Step 4: Simplify right side
    1,643,806.20x = 1,286,995,439,157.12
  5. Step 5: Solve for x
    x = 1,286,995,439,157.12/1,643,806.20
  6. Step 6: Final answer
    x = 782,936.24

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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.