Home / 457,928.04-686,407.25-154,032.89

Finding the Fourth Proportional to 457,928.04, 686,407.25 and 154,032.89

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Solution

The fourth proportional to 457,928.04, 686,407.25 and 154,032.89 is: 230,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,928.04 : 686,407.25 = 154,032.89 : x
  2. Step 2: Convert to fraction form
    457,928.04/686,407.25 = 154,032.89/x
  3. Step 3: Cross multiply
    457,928.04x = 686,407.25 × 154,032.89
  4. Step 4: Simplify right side
    457,928.04x = 105,729,292,434.45
  5. Step 5: Solve for x
    x = 105,729,292,434.45/457,928.04
  6. Step 6: Final answer
    x = 230,886.26

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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.