Home / 993,534.30-1,371,083.90-563,821.61

Finding the Fourth Proportional to 993,534.30, 1,371,083.90 and 563,821.61

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Solution

The fourth proportional to 993,534.30, 1,371,083.90 and 563,821.61 is: 778,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,534.30 : 1,371,083.90 = 563,821.61 : x
  2. Step 2: Convert to fraction form
    993,534.30/1,371,083.90 = 563,821.61/x
  3. Step 3: Cross multiply
    993,534.30x = 1,371,083.90 × 563,821.61
  4. Step 4: Simplify right side
    993,534.30x = 773,046,722,268.55
  5. Step 5: Solve for x
    x = 773,046,722,268.55/993,534.30
  6. Step 6: Final answer
    x = 778,077.54

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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.