Home / 1,127,827.15-1,556,257.50-644,423.59

Finding the Fourth Proportional to 1,127,827.15, 1,556,257.50 and 644,423.59

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Solution

The fourth proportional to 1,127,827.15, 1,556,257.50 and 644,423.59 is: 889,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,827.15 : 1,556,257.50 = 644,423.59 : x
  2. Step 2: Convert to fraction form
    1,127,827.15/1,556,257.50 = 644,423.59/x
  3. Step 3: Cross multiply
    1,127,827.15x = 1,556,257.50 × 644,423.59
  4. Step 4: Simplify right side
    1,127,827.15x = 1,002,889,045,114.43
  5. Step 5: Solve for x
    x = 1,002,889,045,114.43/1,127,827.15
  6. Step 6: Final answer
    x = 889,222.29

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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.