Home / 457,059.41-630,663.66-285,031.34

Finding the Fourth Proportional to 457,059.41, 630,663.66 and 285,031.34

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Solution

The fourth proportional to 457,059.41, 630,663.66 and 285,031.34 is: 393,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,059.41 : 630,663.66 = 285,031.34 : x
  2. Step 2: Convert to fraction form
    457,059.41/630,663.66 = 285,031.34/x
  3. Step 3: Cross multiply
    457,059.41x = 630,663.66 × 285,031.34
  4. Step 4: Simplify right side
    457,059.41x = 179,758,904,945.79
  5. Step 5: Solve for x
    x = 179,758,904,945.79/457,059.41
  6. Step 6: Final answer
    x = 393,294.40

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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.