Home / 1,012,957.77-1,396,513.77-649,751.13

Finding the Fourth Proportional to 1,012,957.77, 1,396,513.77 and 649,751.13

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Solution

The fourth proportional to 1,012,957.77, 1,396,513.77 and 649,751.13 is: 895,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,957.77 : 1,396,513.77 = 649,751.13 : x
  2. Step 2: Convert to fraction form
    1,012,957.77/1,396,513.77 = 649,751.13/x
  3. Step 3: Cross multiply
    1,012,957.77x = 1,396,513.77 × 649,751.13
  4. Step 4: Simplify right side
    1,012,957.77x = 907,386,400,118.06
  5. Step 5: Solve for x
    x = 907,386,400,118.06/1,012,957.77
  6. Step 6: Final answer
    x = 895,779.10

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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.