Home / 993,386.53-1,370,902.71-703,516.69

Finding the Fourth Proportional to 993,386.53, 1,370,902.71 and 703,516.69

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Solution

The fourth proportional to 993,386.53, 1,370,902.71 and 703,516.69 is: 970,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,386.53 : 1,370,902.71 = 703,516.69 : x
  2. Step 2: Convert to fraction form
    993,386.53/1,370,902.71 = 703,516.69/x
  3. Step 3: Cross multiply
    993,386.53x = 1,370,902.71 × 703,516.69
  4. Step 4: Simplify right side
    993,386.53x = 964,452,936,062.16
  5. Step 5: Solve for x
    x = 964,452,936,062.16/993,386.53
  6. Step 6: Final answer
    x = 970,873.78

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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.