Home / 889,763.17-1,227,995.34-545,538.22

Finding the Fourth Proportional to 889,763.17, 1,227,995.34 and 545,538.22

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Solution

The fourth proportional to 889,763.17, 1,227,995.34 and 545,538.22 is: 752,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,763.17 : 1,227,995.34 = 545,538.22 : x
  2. Step 2: Convert to fraction form
    889,763.17/1,227,995.34 = 545,538.22/x
  3. Step 3: Cross multiply
    889,763.17x = 1,227,995.34 × 545,538.22
  4. Step 4: Simplify right side
    889,763.17x = 669,918,391,951.90
  5. Step 5: Solve for x
    x = 669,918,391,951.90/889,763.17
  6. Step 6: Final answer
    x = 752,917.65

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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.