Home / 457,240.05-630,984.44-253,290.36

Finding the Fourth Proportional to 457,240.05, 630,984.44 and 253,290.36

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Solution

The fourth proportional to 457,240.05, 630,984.44 and 253,290.36 is: 349,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,240.05 : 630,984.44 = 253,290.36 : x
  2. Step 2: Convert to fraction form
    457,240.05/630,984.44 = 253,290.36/x
  3. Step 3: Cross multiply
    457,240.05x = 630,984.44 × 253,290.36
  4. Step 4: Simplify right side
    457,240.05x = 159,822,274,695.55
  5. Step 5: Solve for x
    x = 159,822,274,695.55/457,240.05
  6. Step 6: Final answer
    x = 349,536.91

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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.