Home / 907,291.94-1,252,052.96-499,385.03

Finding the Fourth Proportional to 907,291.94, 1,252,052.96 and 499,385.03

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Solution

The fourth proportional to 907,291.94, 1,252,052.96 and 499,385.03 is: 689,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,291.94 : 1,252,052.96 = 499,385.03 : x
  2. Step 2: Convert to fraction form
    907,291.94/1,252,052.96 = 499,385.03/x
  3. Step 3: Cross multiply
    907,291.94x = 1,252,052.96 × 499,385.03
  4. Step 4: Simplify right side
    907,291.94x = 625,256,496,234.00
  5. Step 5: Solve for x
    x = 625,256,496,234.00/907,291.94
  6. Step 6: Final answer
    x = 689,145.88

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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.