Home / 457,237.46-630,987.58-250,513.20

Finding the Fourth Proportional to 457,237.46, 630,987.58 and 250,513.20

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Solution

The fourth proportional to 457,237.46, 630,987.58 and 250,513.20 is: 345,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,237.46 : 630,987.58 = 250,513.20 : x
  2. Step 2: Convert to fraction form
    457,237.46/630,987.58 = 250,513.20/x
  3. Step 3: Cross multiply
    457,237.46x = 630,987.58 × 250,513.20
  4. Step 4: Simplify right side
    457,237.46x = 158,070,717,826.06
  5. Step 5: Solve for x
    x = 158,070,717,826.06/457,237.46
  6. Step 6: Final answer
    x = 345,708.15

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1.5x scale

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.