Home / 741,617.60-1,111,281.41-500,787.65

Finding the Fourth Proportional to 741,617.60, 1,111,281.41 and 500,787.65

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Solution

The fourth proportional to 741,617.60, 1,111,281.41 and 500,787.65 is: 750,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,617.60 : 1,111,281.41 = 500,787.65 : x
  2. Step 2: Convert to fraction form
    741,617.60/1,111,281.41 = 500,787.65/x
  3. Step 3: Cross multiply
    741,617.60x = 1,111,281.41 × 500,787.65
  4. Step 4: Simplify right side
    741,617.60x = 556,516,009,832.76
  5. Step 5: Solve for x
    x = 556,516,009,832.76/741,617.60
  6. Step 6: Final answer
    x = 750,408.31

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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.