Home / 714,816.24-986,376.60-413,003.76

Finding the Fourth Proportional to 714,816.24, 986,376.60 and 413,003.76

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Solution

The fourth proportional to 714,816.24, 986,376.60 and 413,003.76 is: 569,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,816.24 : 986,376.60 = 413,003.76 : x
  2. Step 2: Convert to fraction form
    714,816.24/986,376.60 = 413,003.76/x
  3. Step 3: Cross multiply
    714,816.24x = 986,376.60 × 413,003.76
  4. Step 4: Simplify right side
    714,816.24x = 407,377,244,576.02
  5. Step 5: Solve for x
    x = 407,377,244,576.02/714,816.24
  6. Step 6: Final answer
    x = 569,904.85

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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.