Home / 734,211.74-1,011,324.39-518,981.78

Finding the Fourth Proportional to 734,211.74, 1,011,324.39 and 518,981.78

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Solution

The fourth proportional to 734,211.74, 1,011,324.39 and 518,981.78 is: 714,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,211.74 : 1,011,324.39 = 518,981.78 : x
  2. Step 2: Convert to fraction form
    734,211.74/1,011,324.39 = 518,981.78/x
  3. Step 3: Cross multiply
    734,211.74x = 1,011,324.39 × 518,981.78
  4. Step 4: Simplify right side
    734,211.74x = 524,858,932,661.74
  5. Step 5: Solve for x
    x = 524,858,932,661.74/734,211.74
  6. Step 6: Final answer
    x = 714,860.44

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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.