Home / 730,986.98-1,008,456.45-569,561.78

Finding the Fourth Proportional to 730,986.98, 1,008,456.45 and 569,561.78

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Solution

The fourth proportional to 730,986.98, 1,008,456.45 and 569,561.78 is: 785,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,986.98 : 1,008,456.45 = 569,561.78 : x
  2. Step 2: Convert to fraction form
    730,986.98/1,008,456.45 = 569,561.78/x
  3. Step 3: Cross multiply
    730,986.98x = 1,008,456.45 × 569,561.78
  4. Step 4: Simplify right side
    730,986.98x = 574,378,250,232.88
  5. Step 5: Solve for x
    x = 574,378,250,232.88/730,986.98
  6. Step 6: Final answer
    x = 785,757.15

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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.