Home / 1,127,751.18-1,556,153.23-644,347.64

Finding the Fourth Proportional to 1,127,751.18, 1,556,153.23 and 644,347.64

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Solution

The fourth proportional to 1,127,751.18, 1,556,153.23 and 644,347.64 is: 889,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,751.18 : 1,556,153.23 = 644,347.64 : x
  2. Step 2: Convert to fraction form
    1,127,751.18/1,556,153.23 = 644,347.64/x
  3. Step 3: Cross multiply
    1,127,751.18x = 1,556,153.23 × 644,347.64
  4. Step 4: Simplify right side
    1,127,751.18x = 1,002,703,651,837.24
  5. Step 5: Solve for x
    x = 1,002,703,651,837.24/1,127,751.18
  6. Step 6: Final answer
    x = 889,117.80

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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.