Home / 450,971.20-622,339.84-249,767.04

Finding the Fourth Proportional to 450,971.20, 622,339.84 and 249,767.04

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Solution

The fourth proportional to 450,971.20, 622,339.84 and 249,767.04 is: 344,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,971.20 : 622,339.84 = 249,767.04 : x
  2. Step 2: Convert to fraction form
    450,971.20/622,339.84 = 249,767.04/x
  3. Step 3: Cross multiply
    450,971.20x = 622,339.84 × 249,767.04
  4. Step 4: Simplify right side
    450,971.20x = 155,439,979,710.87
  5. Step 5: Solve for x
    x = 155,439,979,710.87/450,971.20
  6. Step 6: Final answer
    x = 344,678.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.