Home / 1,657,563.40-2,486,098.76-459,360.76

Finding the Fourth Proportional to 1,657,563.40, 2,486,098.76 and 459,360.76

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Solution

The fourth proportional to 1,657,563.40, 2,486,098.76 and 459,360.76 is: 688,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,563.40 : 2,486,098.76 = 459,360.76 : x
  2. Step 2: Convert to fraction form
    1,657,563.40/2,486,098.76 = 459,360.76/x
  3. Step 3: Cross multiply
    1,657,563.40x = 2,486,098.76 × 459,360.76
  4. Step 4: Simplify right side
    1,657,563.40x = 1,142,016,215,828.66
  5. Step 5: Solve for x
    x = 1,142,016,215,828.66/1,657,563.40
  6. Step 6: Final answer
    x = 688,972.87

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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.