Home / 1,383,181.74-1,908,799.17-771,373.23

Finding the Fourth Proportional to 1,383,181.74, 1,908,799.17 and 771,373.23

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Solution

The fourth proportional to 1,383,181.74, 1,908,799.17 and 771,373.23 is: 1,064,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,181.74 : 1,908,799.17 = 771,373.23 : x
  2. Step 2: Convert to fraction form
    1,383,181.74/1,908,799.17 = 771,373.23/x
  3. Step 3: Cross multiply
    1,383,181.74x = 1,908,799.17 × 771,373.23
  4. Step 4: Simplify right side
    1,383,181.74x = 1,472,396,581,184.22
  5. Step 5: Solve for x
    x = 1,472,396,581,184.22/1,383,181.74
  6. Step 6: Final answer
    x = 1,064,499.72

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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.