Home / 753,181.46-1,039,398.60-413,649.72

Finding the Fourth Proportional to 753,181.46, 1,039,398.60 and 413,649.72

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Solution

The fourth proportional to 753,181.46, 1,039,398.60 and 413,649.72 is: 570,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,181.46 : 1,039,398.60 = 413,649.72 : x
  2. Step 2: Convert to fraction form
    753,181.46/1,039,398.60 = 413,649.72/x
  3. Step 3: Cross multiply
    753,181.46x = 1,039,398.60 × 413,649.72
  4. Step 4: Simplify right side
    753,181.46x = 429,946,939,858.39
  5. Step 5: Solve for x
    x = 429,946,939,858.39/753,181.46
  6. Step 6: Final answer
    x = 570,841.11

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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.