Home / 819,496.74-1,128,332.08-696,747.72

Finding the Fourth Proportional to 819,496.74, 1,128,332.08 and 696,747.72

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Solution

The fourth proportional to 819,496.74, 1,128,332.08 and 696,747.72 is: 959,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,496.74 : 1,128,332.08 = 696,747.72 : x
  2. Step 2: Convert to fraction form
    819,496.74/1,128,332.08 = 696,747.72/x
  3. Step 3: Cross multiply
    819,496.74x = 1,128,332.08 × 696,747.72
  4. Step 4: Simplify right side
    819,496.74x = 786,162,805,325.83
  5. Step 5: Solve for x
    x = 786,162,805,325.83/819,496.74
  6. Step 6: Final answer
    x = 959,323.89

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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.