Home / 1,231,937.52-1,700,055.78-688,081.08

Finding the Fourth Proportional to 1,231,937.52, 1,700,055.78 and 688,081.08

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Solution

The fourth proportional to 1,231,937.52, 1,700,055.78 and 688,081.08 is: 949,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,937.52 : 1,700,055.78 = 688,081.08 : x
  2. Step 2: Convert to fraction form
    1,231,937.52/1,700,055.78 = 688,081.08/x
  3. Step 3: Cross multiply
    1,231,937.52x = 1,700,055.78 × 688,081.08
  4. Step 4: Simplify right side
    1,231,937.52x = 1,169,776,217,162.64
  5. Step 5: Solve for x
    x = 1,169,776,217,162.64/1,231,937.52
  6. Step 6: Final answer
    x = 949,541.84

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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.