Home / 898,951.36-1,240,557.15-491,058.85

Finding the Fourth Proportional to 898,951.36, 1,240,557.15 and 491,058.85

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Solution

The fourth proportional to 898,951.36, 1,240,557.15 and 491,058.85 is: 677,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,951.36 : 1,240,557.15 = 491,058.85 : x
  2. Step 2: Convert to fraction form
    898,951.36/1,240,557.15 = 491,058.85/x
  3. Step 3: Cross multiply
    898,951.36x = 1,240,557.15 × 491,058.85
  4. Step 4: Simplify right side
    898,951.36x = 609,186,567,438.28
  5. Step 5: Solve for x
    x = 609,186,567,438.28/898,951.36
  6. Step 6: Final answer
    x = 677,663.55

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Double scale
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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.