Home / 1,397,044.15-1,928,260.46-853,637.53

Finding the Fourth Proportional to 1,397,044.15, 1,928,260.46 and 853,637.53

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Solution

The fourth proportional to 1,397,044.15, 1,928,260.46 and 853,637.53 is: 1,178,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,044.15 : 1,928,260.46 = 853,637.53 : x
  2. Step 2: Convert to fraction form
    1,397,044.15/1,928,260.46 = 853,637.53/x
  3. Step 3: Cross multiply
    1,397,044.15x = 1,928,260.46 × 853,637.53
  4. Step 4: Simplify right side
    1,397,044.15x = 1,646,035,496,271.06
  5. Step 5: Solve for x
    x = 1,646,035,496,271.06/1,397,044.15
  6. Step 6: Final answer
    x = 1,178,227.26

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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.