Home / 1,127,911.35-1,556,603.29-644,496.87

Finding the Fourth Proportional to 1,127,911.35, 1,556,603.29 and 644,496.87

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Solution

The fourth proportional to 1,127,911.35, 1,556,603.29 and 644,496.87 is: 889,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,911.35 : 1,556,603.29 = 644,496.87 : x
  2. Step 2: Convert to fraction form
    1,127,911.35/1,556,603.29 = 644,496.87/x
  3. Step 3: Cross multiply
    1,127,911.35x = 1,556,603.29 × 644,496.87
  4. Step 4: Simplify right side
    1,127,911.35x = 1,003,225,948,236.70
  5. Step 5: Solve for x
    x = 1,003,225,948,236.70/1,127,911.35
  6. Step 6: Final answer
    x = 889,454.61

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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.