Home / 639,557.10-958,829.58-240,153.36

Finding the Fourth Proportional to 639,557.10, 958,829.58 and 240,153.36

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Solution

The fourth proportional to 639,557.10, 958,829.58 and 240,153.36 is: 360,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,557.10 : 958,829.58 = 240,153.36 : x
  2. Step 2: Convert to fraction form
    639,557.10/958,829.58 = 240,153.36/x
  3. Step 3: Cross multiply
    639,557.10x = 958,829.58 × 240,153.36
  4. Step 4: Simplify right side
    639,557.10x = 230,266,145,304.39
  5. Step 5: Solve for x
    x = 230,266,145,304.39/639,557.10
  6. Step 6: Final answer
    x = 360,040.01

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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.