Home / 1,258,958.74-1,887,064.11-619,702.42

Finding the Fourth Proportional to 1,258,958.74, 1,887,064.11 and 619,702.42

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Solution

The fourth proportional to 1,258,958.74, 1,887,064.11 and 619,702.42 is: 928,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,958.74 : 1,887,064.11 = 619,702.42 : x
  2. Step 2: Convert to fraction form
    1,258,958.74/1,887,064.11 = 619,702.42/x
  3. Step 3: Cross multiply
    1,258,958.74x = 1,887,064.11 × 619,702.42
  4. Step 4: Simplify right side
    1,258,958.74x = 1,169,418,195,662.15
  5. Step 5: Solve for x
    x = 1,169,418,195,662.15/1,258,958.74
  6. Step 6: Final answer
    x = 928,877.30

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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.