Home / 714,546.75-986,038.30-424,170.73

Finding the Fourth Proportional to 714,546.75, 986,038.30 and 424,170.73

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Solution

The fourth proportional to 714,546.75, 986,038.30 and 424,170.73 is: 585,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,546.75 : 986,038.30 = 424,170.73 : x
  2. Step 2: Convert to fraction form
    714,546.75/986,038.30 = 424,170.73/x
  3. Step 3: Cross multiply
    714,546.75x = 986,038.30 × 424,170.73
  4. Step 4: Simplify right side
    714,546.75x = 418,248,585,518.96
  5. Step 5: Solve for x
    x = 418,248,585,518.96/714,546.75
  6. Step 6: Final answer
    x = 585,334.11

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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.