Home / 734,213.74-1,011,327.14-518,983.78

Finding the Fourth Proportional to 734,213.74, 1,011,327.14 and 518,983.78

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Solution

The fourth proportional to 734,213.74, 1,011,327.14 and 518,983.78 is: 714,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,213.74 : 1,011,327.14 = 518,983.78 : x
  2. Step 2: Convert to fraction form
    734,213.74/1,011,327.14 = 518,983.78/x
  3. Step 3: Cross multiply
    734,213.74x = 1,011,327.14 × 518,983.78
  4. Step 4: Simplify right side
    734,213.74x = 524,862,381,933.79
  5. Step 5: Solve for x
    x = 524,862,381,933.79/734,213.74
  6. Step 6: Final answer
    x = 714,863.20

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Double scale
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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.