Home / 755,744.06-1,042,911.12-411,583.76

Finding the Fourth Proportional to 755,744.06, 1,042,911.12 and 411,583.76

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Solution

The fourth proportional to 755,744.06, 1,042,911.12 and 411,583.76 is: 567,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,744.06 : 1,042,911.12 = 411,583.76 : x
  2. Step 2: Convert to fraction form
    755,744.06/1,042,911.12 = 411,583.76/x
  3. Step 3: Cross multiply
    755,744.06x = 1,042,911.12 × 411,583.76
  4. Step 4: Simplify right side
    755,744.06x = 429,245,280,115.41
  5. Step 5: Solve for x
    x = 429,245,280,115.41/755,744.06
  6. Step 6: Final answer
    x = 567,977.05

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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.