Home / 993,387.53-1,370,904.09-703,517.69

Finding the Fourth Proportional to 993,387.53, 1,370,904.09 and 703,517.69

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Solution

The fourth proportional to 993,387.53, 1,370,904.09 and 703,517.69 is: 970,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,387.53 : 1,370,904.09 = 703,517.69 : x
  2. Step 2: Convert to fraction form
    993,387.53/1,370,904.09 = 703,517.69/x
  3. Step 3: Cross multiply
    993,387.53x = 1,370,904.09 × 703,517.69
  4. Step 4: Simplify right side
    993,387.53x = 964,455,278,608.35
  5. Step 5: Solve for x
    x = 964,455,278,608.35/993,387.53
  6. Step 6: Final answer
    x = 970,875.16

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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.