Home / 1,657,943.71-2,486,915.31-459,866

Finding the Fourth Proportional to 1,657,943.71, 2,486,915.31 and 459,866

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Solution

The fourth proportional to 1,657,943.71, 2,486,915.31 and 459,866 is: 689,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,943.71 : 2,486,915.31 = 459,866 : x
  2. Step 2: Convert to fraction form
    1,657,943.71/2,486,915.31 = 459,866/x
  3. Step 3: Cross multiply
    1,657,943.71x = 2,486,915.31 × 459,866
  4. Step 4: Simplify right side
    1,657,943.71x = 1,143,647,795,948.46
  5. Step 5: Solve for x
    x = 1,143,647,795,948.46/1,657,943.71
  6. Step 6: Final answer
    x = 689,798.93

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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.