Home / 1,127,883.08-1,556,335.20-644,479.52

Finding the Fourth Proportional to 1,127,883.08, 1,556,335.20 and 644,479.52

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Solution

The fourth proportional to 1,127,883.08, 1,556,335.20 and 644,479.52 is: 889,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,883.08 : 1,556,335.20 = 644,479.52 : x
  2. Step 2: Convert to fraction form
    1,127,883.08/1,556,335.20 = 644,479.52/x
  3. Step 3: Cross multiply
    1,127,883.08x = 1,556,335.20 × 644,479.52
  4. Step 4: Simplify right side
    1,127,883.08x = 1,003,026,162,655.10
  5. Step 5: Solve for x
    x = 1,003,026,162,655.10/1,127,883.08
  6. Step 6: Final answer
    x = 889,299.77

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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.