Home / 742,566.38-1,113,671.16-342,823.10

Finding the Fourth Proportional to 742,566.38, 1,113,671.16 and 342,823.10

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Solution

The fourth proportional to 742,566.38, 1,113,671.16 and 342,823.10 is: 514,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,566.38 : 1,113,671.16 = 342,823.10 : x
  2. Step 2: Convert to fraction form
    742,566.38/1,113,671.16 = 342,823.10/x
  3. Step 3: Cross multiply
    742,566.38x = 1,113,671.16 × 342,823.10
  4. Step 4: Simplify right side
    742,566.38x = 381,792,193,883.44
  5. Step 5: Solve for x
    x = 381,792,193,883.44/742,566.38
  6. Step 6: Final answer
    x = 514,152.28

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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.