Home / 1,127,889.17-1,556,487.40-611,642.91

Finding the Fourth Proportional to 1,127,889.17, 1,556,487.40 and 611,642.91

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Solution

The fourth proportional to 1,127,889.17, 1,556,487.40 and 611,642.91 is: 844,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,889.17 : 1,556,487.40 = 611,642.91 : x
  2. Step 2: Convert to fraction form
    1,127,889.17/1,556,487.40 = 611,642.91/x
  3. Step 3: Cross multiply
    1,127,889.17x = 1,556,487.40 × 611,642.91
  4. Step 4: Simplify right side
    1,127,889.17x = 952,014,482,714.33
  5. Step 5: Solve for x
    x = 952,014,482,714.33/1,127,889.17
  6. Step 6: Final answer
    x = 844,067.40

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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.