Home / 807,854.04-1,114,838.64-468,519.12

Finding the Fourth Proportional to 807,854.04, 1,114,838.64 and 468,519.12

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Solution

The fourth proportional to 807,854.04, 1,114,838.64 and 468,519.12 is: 646,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,854.04 : 1,114,838.64 = 468,519.12 : x
  2. Step 2: Convert to fraction form
    807,854.04/1,114,838.64 = 468,519.12/x
  3. Step 3: Cross multiply
    807,854.04x = 1,114,838.64 × 468,519.12
  4. Step 4: Simplify right side
    807,854.04x = 522,323,218,554.80
  5. Step 5: Solve for x
    x = 522,323,218,554.80/807,854.04
  6. Step 6: Final answer
    x = 646,556.42

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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.