Home / 1,633,280.52-2,449,920.78-511,437

Finding the Fourth Proportional to 1,633,280.52, 2,449,920.78 and 511,437

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Solution

The fourth proportional to 1,633,280.52, 2,449,920.78 and 511,437 is: 767,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,280.52 : 2,449,920.78 = 511,437 : x
  2. Step 2: Convert to fraction form
    1,633,280.52/2,449,920.78 = 511,437/x
  3. Step 3: Cross multiply
    1,633,280.52x = 2,449,920.78 × 511,437
  4. Step 4: Simplify right side
    1,633,280.52x = 1,252,980,133,960.86
  5. Step 5: Solve for x
    x = 1,252,980,133,960.86/1,633,280.52
  6. Step 6: Final answer
    x = 767,155.50

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Double scale
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Similar ratio
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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.