Home / 1,127,862.86-1,556,549.19-618,663.65

Finding the Fourth Proportional to 1,127,862.86, 1,556,549.19 and 618,663.65

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Solution

The fourth proportional to 1,127,862.86, 1,556,549.19 and 618,663.65 is: 853,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,862.86 : 1,556,549.19 = 618,663.65 : x
  2. Step 2: Convert to fraction form
    1,127,862.86/1,556,549.19 = 618,663.65/x
  3. Step 3: Cross multiply
    1,127,862.86x = 1,556,549.19 × 618,663.65
  4. Step 4: Simplify right side
    1,127,862.86x = 962,980,403,289.94
  5. Step 5: Solve for x
    x = 962,980,403,289.94/1,127,862.86
  6. Step 6: Final answer
    x = 853,809.84

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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.