Home / 1,466.19-2,023.38-876.78

Finding the Fourth Proportional to 1,466.19, 2,023.38 and 876.78

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Solution

The fourth proportional to 1,466.19, 2,023.38 and 876.78 is: 1,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.19 : 2,023.38 = 876.78 : x
  2. Step 2: Convert to fraction form
    1,466.19/2,023.38 = 876.78/x
  3. Step 3: Cross multiply
    1,466.19x = 2,023.38 × 876.78
  4. Step 4: Simplify right side
    1,466.19x = 1,774,059.12
  5. Step 5: Solve for x
    x = 1,774,059.12/1,466.19
  6. Step 6: Final answer
    x = 1,209.98

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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.