Home / 1,127,750.81-1,556,152.71-644,347.26

Finding the Fourth Proportional to 1,127,750.81, 1,556,152.71 and 644,347.26

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Solution

The fourth proportional to 1,127,750.81, 1,556,152.71 and 644,347.26 is: 889,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,750.81 : 1,556,152.71 = 644,347.26 : x
  2. Step 2: Convert to fraction form
    1,127,750.81/1,556,152.71 = 644,347.26/x
  3. Step 3: Cross multiply
    1,127,750.81x = 1,556,152.71 × 644,347.26
  4. Step 4: Simplify right side
    1,127,750.81x = 1,002,702,734,830.07
  5. Step 5: Solve for x
    x = 1,002,702,734,830.07/1,127,750.81
  6. Step 6: Final answer
    x = 889,117.29

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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.