Home / 1,965,707.76-2,948,559.16-617,988

Finding the Fourth Proportional to 1,965,707.76, 2,948,559.16 and 617,988

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Solution

The fourth proportional to 1,965,707.76, 2,948,559.16 and 617,988 is: 926,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,707.76 : 2,948,559.16 = 617,988 : x
  2. Step 2: Convert to fraction form
    1,965,707.76/2,948,559.16 = 617,988/x
  3. Step 3: Cross multiply
    1,965,707.76x = 2,948,559.16 × 617,988
  4. Step 4: Simplify right side
    1,965,707.76x = 1,822,174,178,170.08
  5. Step 5: Solve for x
    x = 1,822,174,178,170.08/1,965,707.76
  6. Step 6: Final answer
    x = 926,981.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.