Home / 1,657,563.39-2,486,098.74-459,360.78

Finding the Fourth Proportional to 1,657,563.39, 2,486,098.74 and 459,360.78

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Solution

The fourth proportional to 1,657,563.39, 2,486,098.74 and 459,360.78 is: 688,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,563.39 : 2,486,098.74 = 459,360.78 : x
  2. Step 2: Convert to fraction form
    1,657,563.39/2,486,098.74 = 459,360.78/x
  3. Step 3: Cross multiply
    1,657,563.39x = 2,486,098.74 × 459,360.78
  4. Step 4: Simplify right side
    1,657,563.39x = 1,142,016,256,363.42
  5. Step 5: Solve for x
    x = 1,142,016,256,363.42/1,657,563.39
  6. Step 6: Final answer
    x = 688,972.90

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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.