Home / 907,151.50-1,251,822.42-499,292.06

Finding the Fourth Proportional to 907,151.50, 1,251,822.42 and 499,292.06

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Solution

The fourth proportional to 907,151.50, 1,251,822.42 and 499,292.06 is: 688,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,151.50 : 1,251,822.42 = 499,292.06 : x
  2. Step 2: Convert to fraction form
    907,151.50/1,251,822.42 = 499,292.06/x
  3. Step 3: Cross multiply
    907,151.50x = 1,251,822.42 × 499,292.06
  4. Step 4: Simplify right side
    907,151.50x = 625,024,994,835.99
  5. Step 5: Solve for x
    x = 625,024,994,835.99/907,151.50
  6. Step 6: Final answer
    x = 688,997.37

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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.