Home / 1,241,438.56-1,862,120.88-342,934.16

Finding the Fourth Proportional to 1,241,438.56, 1,862,120.88 and 342,934.16

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Solution

The fourth proportional to 1,241,438.56, 1,862,120.88 and 342,934.16 is: 514,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,438.56 : 1,862,120.88 = 342,934.16 : x
  2. Step 2: Convert to fraction form
    1,241,438.56/1,862,120.88 = 342,934.16/x
  3. Step 3: Cross multiply
    1,241,438.56x = 1,862,120.88 × 342,934.16
  4. Step 4: Simplify right side
    1,241,438.56x = 638,584,859,801.26
  5. Step 5: Solve for x
    x = 638,584,859,801.26/1,241,438.56
  6. Step 6: Final answer
    x = 514,391.03

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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.