Home / 456,514.95-630,192.42-272,818.34

Finding the Fourth Proportional to 456,514.95, 630,192.42 and 272,818.34

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Solution

The fourth proportional to 456,514.95, 630,192.42 and 272,818.34 is: 376,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,514.95 : 630,192.42 = 272,818.34 : x
  2. Step 2: Convert to fraction form
    456,514.95/630,192.42 = 272,818.34/x
  3. Step 3: Cross multiply
    456,514.95x = 630,192.42 × 272,818.34
  4. Step 4: Simplify right side
    456,514.95x = 171,928,050,578.92
  5. Step 5: Solve for x
    x = 171,928,050,578.92/456,514.95
  6. Step 6: Final answer
    x = 376,609.90

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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.