Home / 385,260.10-577,112.55-267,064.90

Finding the Fourth Proportional to 385,260.10, 577,112.55 and 267,064.90

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Solution

The fourth proportional to 385,260.10, 577,112.55 and 267,064.90 is: 400,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,260.10 : 577,112.55 = 267,064.90 : x
  2. Step 2: Convert to fraction form
    385,260.10/577,112.55 = 267,064.90/x
  3. Step 3: Cross multiply
    385,260.10x = 577,112.55 × 267,064.90
  4. Step 4: Simplify right side
    385,260.10x = 154,126,505,454.50
  5. Step 5: Solve for x
    x = 154,126,505,454.50/385,260.10
  6. Step 6: Final answer
    x = 400,058.31

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1.5x scale

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.