Home / 753,586.24-1,130,431.20-254,781.76

Finding the Fourth Proportional to 753,586.24, 1,130,431.20 and 254,781.76

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Solution

The fourth proportional to 753,586.24, 1,130,431.20 and 254,781.76 is: 382,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,586.24 : 1,130,431.20 = 254,781.76 : x
  2. Step 2: Convert to fraction form
    753,586.24/1,130,431.20 = 254,781.76/x
  3. Step 3: Cross multiply
    753,586.24x = 1,130,431.20 × 254,781.76
  4. Step 4: Simplify right side
    753,586.24x = 288,013,250,694.91
  5. Step 5: Solve for x
    x = 288,013,250,694.91/753,586.24
  6. Step 6: Final answer
    x = 382,190.17

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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.