Home / 838,818.36-1,258,016.40-239,782.68

Finding the Fourth Proportional to 838,818.36, 1,258,016.40 and 239,782.68

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Solution

The fourth proportional to 838,818.36, 1,258,016.40 and 239,782.68 is: 359,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,818.36 : 1,258,016.40 = 239,782.68 : x
  2. Step 2: Convert to fraction form
    838,818.36/1,258,016.40 = 239,782.68/x
  3. Step 3: Cross multiply
    838,818.36x = 1,258,016.40 × 239,782.68
  4. Step 4: Simplify right side
    838,818.36x = 301,650,543,875.95
  5. Step 5: Solve for x
    x = 301,650,543,875.95/838,818.36
  6. Step 6: Final answer
    x = 359,613.66

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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.