Home / 5,745,340.59-7,928,505.46-3,131,787.45

Finding the Fourth Proportional to 5,745,340.59, 7,928,505.46 and 3,131,787.45

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Solution

The fourth proportional to 5,745,340.59, 7,928,505.46 and 3,131,787.45 is: 4,321,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745,340.59 : 7,928,505.46 = 3,131,787.45 : x
  2. Step 2: Convert to fraction form
    5,745,340.59/7,928,505.46 = 3,131,787.45/x
  3. Step 3: Cross multiply
    5,745,340.59x = 7,928,505.46 × 3,131,787.45
  4. Step 4: Simplify right side
    5,745,340.59x = 24,830,393,905,151.52
  5. Step 5: Solve for x
    x = 24,830,393,905,151.52/5,745,340.59
  6. Step 6: Final answer
    x = 4,321,831.49

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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.