Home / 1,657,963.52-2,486,945.13-459,885.90

Finding the Fourth Proportional to 1,657,963.52, 2,486,945.13 and 459,885.90

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Solution

The fourth proportional to 1,657,963.52, 2,486,945.13 and 459,885.90 is: 689,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,963.52 : 2,486,945.13 = 459,885.90 : x
  2. Step 2: Convert to fraction form
    1,657,963.52/2,486,945.13 = 459,885.90/x
  3. Step 3: Cross multiply
    1,657,963.52x = 2,486,945.13 × 459,885.90
  4. Step 4: Simplify right side
    1,657,963.52x = 1,143,710,999,360.67
  5. Step 5: Solve for x
    x = 1,143,710,999,360.67/1,657,963.52
  6. Step 6: Final answer
    x = 689,828.81

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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.