Home / 993,061.68-1,370,418.84-540,354.48

Finding the Fourth Proportional to 993,061.68, 1,370,418.84 and 540,354.48

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Solution

The fourth proportional to 993,061.68, 1,370,418.84 and 540,354.48 is: 745,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,061.68 : 1,370,418.84 = 540,354.48 : x
  2. Step 2: Convert to fraction form
    993,061.68/1,370,418.84 = 540,354.48/x
  3. Step 3: Cross multiply
    993,061.68x = 1,370,418.84 × 540,354.48
  4. Step 4: Simplify right side
    993,061.68x = 740,511,959,670.40
  5. Step 5: Solve for x
    x = 740,511,959,670.40/993,061.68
  6. Step 6: Final answer
    x = 745,685.77

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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.