Home / 778,097.34-1,074,660.08-523,005.66

Finding the Fourth Proportional to 778,097.34, 1,074,660.08 and 523,005.66

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Solution

The fourth proportional to 778,097.34, 1,074,660.08 and 523,005.66 is: 722,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,097.34 : 1,074,660.08 = 523,005.66 : x
  2. Step 2: Convert to fraction form
    778,097.34/1,074,660.08 = 523,005.66/x
  3. Step 3: Cross multiply
    778,097.34x = 1,074,660.08 × 523,005.66
  4. Step 4: Simplify right side
    778,097.34x = 562,053,301,801.02
  5. Step 5: Solve for x
    x = 562,053,301,801.02/778,097.34
  6. Step 6: Final answer
    x = 722,343.17

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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.