Home / 867,001.92-1,196,381.52-540,284.64

Finding the Fourth Proportional to 867,001.92, 1,196,381.52 and 540,284.64

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Solution

The fourth proportional to 867,001.92, 1,196,381.52 and 540,284.64 is: 745,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,001.92 : 1,196,381.52 = 540,284.64 : x
  2. Step 2: Convert to fraction form
    867,001.92/1,196,381.52 = 540,284.64/x
  3. Step 3: Cross multiply
    867,001.92x = 1,196,381.52 × 540,284.64
  4. Step 4: Simplify right side
    867,001.92x = 646,386,558,835.85
  5. Step 5: Solve for x
    x = 646,386,558,835.85/867,001.92
  6. Step 6: Final answer
    x = 745,542.25

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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.