Home / 398,849.49-596,869.98-249,160.28

Finding the Fourth Proportional to 398,849.49, 596,869.98 and 249,160.28

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Solution

The fourth proportional to 398,849.49, 596,869.98 and 249,160.28 is: 372,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,849.49 : 596,869.98 = 249,160.28 : x
  2. Step 2: Convert to fraction form
    398,849.49/596,869.98 = 249,160.28/x
  3. Step 3: Cross multiply
    398,849.49x = 596,869.98 × 249,160.28
  4. Step 4: Simplify right side
    398,849.49x = 148,716,288,356.05
  5. Step 5: Solve for x
    x = 148,716,288,356.05/398,849.49
  6. Step 6: Final answer
    x = 372,863.18

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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.