Home / 1,126,175.10-1,689,427.43-327,352.89

Finding the Fourth Proportional to 1,126,175.10, 1,689,427.43 and 327,352.89

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Solution

The fourth proportional to 1,126,175.10, 1,689,427.43 and 327,352.89 is: 491,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,175.10 : 1,689,427.43 = 327,352.89 : x
  2. Step 2: Convert to fraction form
    1,126,175.10/1,689,427.43 = 327,352.89/x
  3. Step 3: Cross multiply
    1,126,175.10x = 1,689,427.43 × 327,352.89
  4. Step 4: Simplify right side
    1,126,175.10x = 553,038,957,581.93
  5. Step 5: Solve for x
    x = 553,038,957,581.93/1,126,175.10
  6. Step 6: Final answer
    x = 491,077.24

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Double scale
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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.