Home / 755,718.04-1,042,891.80-411,554.56

Finding the Fourth Proportional to 755,718.04, 1,042,891.80 and 411,554.56

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Solution

The fourth proportional to 755,718.04, 1,042,891.80 and 411,554.56 is: 567,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,718.04 : 1,042,891.80 = 411,554.56 : x
  2. Step 2: Convert to fraction form
    755,718.04/1,042,891.80 = 411,554.56/x
  3. Step 3: Cross multiply
    755,718.04x = 1,042,891.80 × 411,554.56
  4. Step 4: Simplify right side
    755,718.04x = 429,206,875,876.61
  5. Step 5: Solve for x
    x = 429,206,875,876.61/755,718.04
  6. Step 6: Final answer
    x = 567,945.79

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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.