Home / 923,382.51-1,274,332.04-515,564.52

Finding the Fourth Proportional to 923,382.51, 1,274,332.04 and 515,564.52

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Solution

The fourth proportional to 923,382.51, 1,274,332.04 and 515,564.52 is: 711,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,382.51 : 1,274,332.04 = 515,564.52 : x
  2. Step 2: Convert to fraction form
    923,382.51/1,274,332.04 = 515,564.52/x
  3. Step 3: Cross multiply
    923,382.51x = 1,274,332.04 × 515,564.52
  4. Step 4: Simplify right side
    923,382.51x = 657,000,386,523.22
  5. Step 5: Solve for x
    x = 657,000,386,523.22/923,382.51
  6. Step 6: Final answer
    x = 711,514.87

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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.