Home / 1,012,169.16-1,396,240.62-649,189.32

Finding the Fourth Proportional to 1,012,169.16, 1,396,240.62 and 649,189.32

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Solution

The fourth proportional to 1,012,169.16, 1,396,240.62 and 649,189.32 is: 895,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,169.16 : 1,396,240.62 = 649,189.32 : x
  2. Step 2: Convert to fraction form
    1,012,169.16/1,396,240.62 = 649,189.32/x
  3. Step 3: Cross multiply
    1,012,169.16x = 1,396,240.62 × 649,189.32
  4. Step 4: Simplify right side
    1,012,169.16x = 906,424,498,654.18
  5. Step 5: Solve for x
    x = 906,424,498,654.18/1,012,169.16
  6. Step 6: Final answer
    x = 895,526.69

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1.5x scale

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.