Home / 714,707.52-1,069,757.60-394,355.76

Finding the Fourth Proportional to 714,707.52, 1,069,757.60 and 394,355.76

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Solution

The fourth proportional to 714,707.52, 1,069,757.60 and 394,355.76 is: 590,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,707.52 : 1,069,757.60 = 394,355.76 : x
  2. Step 2: Convert to fraction form
    714,707.52/1,069,757.60 = 394,355.76/x
  3. Step 3: Cross multiply
    714,707.52x = 1,069,757.60 × 394,355.76
  4. Step 4: Simplify right side
    714,707.52x = 421,865,071,363.78
  5. Step 5: Solve for x
    x = 421,865,071,363.78/714,707.52
  6. Step 6: Final answer
    x = 590,262.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.