Home / 1,657,963.71-2,486,945.57-459,886.03

Finding the Fourth Proportional to 1,657,963.71, 2,486,945.57 and 459,886.03

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Solution

The fourth proportional to 1,657,963.71, 2,486,945.57 and 459,886.03 is: 689,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,963.71 : 2,486,945.57 = 459,886.03 : x
  2. Step 2: Convert to fraction form
    1,657,963.71/2,486,945.57 = 459,886.03/x
  3. Step 3: Cross multiply
    1,657,963.71x = 2,486,945.57 × 459,886.03
  4. Step 4: Simplify right side
    1,657,963.71x = 1,143,711,525,822.64
  5. Step 5: Solve for x
    x = 1,143,711,525,822.64/1,657,963.71
  6. Step 6: Final answer
    x = 689,829.05

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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.