Home / 1,229,937.24-1,697,143.68-686,009.28

Finding the Fourth Proportional to 1,229,937.24, 1,697,143.68 and 686,009.28

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Solution

The fourth proportional to 1,229,937.24, 1,697,143.68 and 686,009.28 is: 946,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,937.24 : 1,697,143.68 = 686,009.28 : x
  2. Step 2: Convert to fraction form
    1,229,937.24/1,697,143.68 = 686,009.28/x
  3. Step 3: Cross multiply
    1,229,937.24x = 1,697,143.68 × 686,009.28
  4. Step 4: Simplify right side
    1,229,937.24x = 1,164,256,313,973.35
  5. Step 5: Solve for x
    x = 1,164,256,313,973.35/1,229,937.24
  6. Step 6: Final answer
    x = 946,598.15

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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.