Home / 901,582.88-1,244,129.34-493,689.56

Finding the Fourth Proportional to 901,582.88, 1,244,129.34 and 493,689.56

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Solution

The fourth proportional to 901,582.88, 1,244,129.34 and 493,689.56 is: 681,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,582.88 : 1,244,129.34 = 493,689.56 : x
  2. Step 2: Convert to fraction form
    901,582.88/1,244,129.34 = 493,689.56/x
  3. Step 3: Cross multiply
    901,582.88x = 1,244,129.34 × 493,689.56
  4. Step 4: Simplify right side
    901,582.88x = 614,213,666,447.69
  5. Step 5: Solve for x
    x = 614,213,666,447.69/901,582.88
  6. Step 6: Final answer
    x = 681,261.46

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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.