Home / 1,127,636.16-1,556,954.56-725,928

Finding the Fourth Proportional to 1,127,636.16, 1,556,954.56 and 725,928

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Solution

The fourth proportional to 1,127,636.16, 1,556,954.56 and 725,928 is: 1,002,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,636.16 : 1,556,954.56 = 725,928 : x
  2. Step 2: Convert to fraction form
    1,127,636.16/1,556,954.56 = 725,928/x
  3. Step 3: Cross multiply
    1,127,636.16x = 1,556,954.56 × 725,928
  4. Step 4: Simplify right side
    1,127,636.16x = 1,130,236,909,831.68
  5. Step 5: Solve for x
    x = 1,130,236,909,831.68/1,127,636.16
  6. Step 6: Final answer
    x = 1,002,306.37

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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.