Home / 1,005,911.39-1,388,167.54-547,035.82

Finding the Fourth Proportional to 1,005,911.39, 1,388,167.54 and 547,035.82

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Solution

The fourth proportional to 1,005,911.39, 1,388,167.54 and 547,035.82 is: 754,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,911.39 : 1,388,167.54 = 547,035.82 : x
  2. Step 2: Convert to fraction form
    1,005,911.39/1,388,167.54 = 547,035.82/x
  3. Step 3: Cross multiply
    1,005,911.39x = 1,388,167.54 × 547,035.82
  4. Step 4: Simplify right side
    1,005,911.39x = 759,377,363,703.27
  5. Step 5: Solve for x
    x = 759,377,363,703.27/1,005,911.39
  6. Step 6: Final answer
    x = 754,914.77

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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.