Home / 826,366.36-1,140,442.06-458,862.48

Finding the Fourth Proportional to 826,366.36, 1,140,442.06 and 458,862.48

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Solution

The fourth proportional to 826,366.36, 1,140,442.06 and 458,862.48 is: 633,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,366.36 : 1,140,442.06 = 458,862.48 : x
  2. Step 2: Convert to fraction form
    826,366.36/1,140,442.06 = 458,862.48/x
  3. Step 3: Cross multiply
    826,366.36x = 1,140,442.06 × 458,862.48
  4. Step 4: Simplify right side
    826,366.36x = 523,306,071,947.91
  5. Step 5: Solve for x
    x = 523,306,071,947.91/826,366.36
  6. Step 6: Final answer
    x = 633,261.59

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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.