Home / 1,012,957.76-1,396,513.78-649,751.13

Finding the Fourth Proportional to 1,012,957.76, 1,396,513.78 and 649,751.13

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Solution

The fourth proportional to 1,012,957.76, 1,396,513.78 and 649,751.13 is: 895,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,957.76 : 1,396,513.78 = 649,751.13 : x
  2. Step 2: Convert to fraction form
    1,012,957.76/1,396,513.78 = 649,751.13/x
  3. Step 3: Cross multiply
    1,012,957.76x = 1,396,513.78 × 649,751.13
  4. Step 4: Simplify right side
    1,012,957.76x = 907,386,404,991.19
  5. Step 5: Solve for x
    x = 907,386,404,991.19/1,012,957.76
  6. Step 6: Final answer
    x = 895,779.11

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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.