Home / 714,278.24-985,638.83-423,839.75

Finding the Fourth Proportional to 714,278.24, 985,638.83 and 423,839.75

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Solution

The fourth proportional to 714,278.24, 985,638.83 and 423,839.75 is: 584,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,278.24 : 985,638.83 = 423,839.75 : x
  2. Step 2: Convert to fraction form
    714,278.24/985,638.83 = 423,839.75/x
  3. Step 3: Cross multiply
    714,278.24x = 985,638.83 × 423,839.75
  4. Step 4: Simplify right side
    714,278.24x = 417,752,908,250.10
  5. Step 5: Solve for x
    x = 417,752,908,250.10/714,278.24
  6. Step 6: Final answer
    x = 584,860.20

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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.