Home / 1,397,404.75-1,928,426.66-785,552.16

Finding the Fourth Proportional to 1,397,404.75, 1,928,426.66 and 785,552.16

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Solution

The fourth proportional to 1,397,404.75, 1,928,426.66 and 785,552.16 is: 1,084,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,404.75 : 1,928,426.66 = 785,552.16 : x
  2. Step 2: Convert to fraction form
    1,397,404.75/1,928,426.66 = 785,552.16/x
  3. Step 3: Cross multiply
    1,397,404.75x = 1,928,426.66 × 785,552.16
  4. Step 4: Simplify right side
    1,397,404.75x = 1,514,879,721,826.29
  5. Step 5: Solve for x
    x = 1,514,879,721,826.29/1,397,404.75
  6. Step 6: Final answer
    x = 1,084,066.53

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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.