Home / 907,150.00-1,251,820.35-499,290.56

Finding the Fourth Proportional to 907,150.00, 1,251,820.35 and 499,290.56

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Solution

The fourth proportional to 907,150.00, 1,251,820.35 and 499,290.56 is: 688,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,150.00 : 1,251,820.35 = 499,290.56 : x
  2. Step 2: Convert to fraction form
    907,150.00/1,251,820.35 = 499,290.56/x
  3. Step 3: Cross multiply
    907,150.00x = 1,251,820.35 × 499,290.56
  4. Step 4: Simplify right side
    907,150.00x = 625,022,085,002.79
  5. Step 5: Solve for x
    x = 625,022,085,002.79/907,150.00
  6. Step 6: Final answer
    x = 688,995.30

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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.