Home / 929,734.07-1,283,042.54-521,827.74

Finding the Fourth Proportional to 929,734.07, 1,283,042.54 and 521,827.74

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Solution

The fourth proportional to 929,734.07, 1,283,042.54 and 521,827.74 is: 720,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,734.07 : 1,283,042.54 = 521,827.74 : x
  2. Step 2: Convert to fraction form
    929,734.07/1,283,042.54 = 521,827.74/x
  3. Step 3: Cross multiply
    929,734.07x = 1,283,042.54 × 521,827.74
  4. Step 4: Simplify right side
    929,734.07x = 669,527,186,362.92
  5. Step 5: Solve for x
    x = 669,527,186,362.92/929,734.07
  6. Step 6: Final answer
    x = 720,127.63

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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.