Home / 372,641.40-558,962.10-314,904.60

Finding the Fourth Proportional to 372,641.40, 558,962.10 and 314,904.60

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Solution

The fourth proportional to 372,641.40, 558,962.10 and 314,904.60 is: 472,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,641.40 : 558,962.10 = 314,904.60 : x
  2. Step 2: Convert to fraction form
    372,641.40/558,962.10 = 314,904.60/x
  3. Step 3: Cross multiply
    372,641.40x = 558,962.10 × 314,904.60
  4. Step 4: Simplify right side
    372,641.40x = 176,019,736,515.66
  5. Step 5: Solve for x
    x = 176,019,736,515.66/372,641.40
  6. Step 6: Final answer
    x = 472,356.90

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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.