Home / 1,097,815.69-1,515,915.63-690,048.86

Finding the Fourth Proportional to 1,097,815.69, 1,515,915.63 and 690,048.86

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Solution

The fourth proportional to 1,097,815.69, 1,515,915.63 and 690,048.86 is: 952,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,815.69 : 1,515,915.63 = 690,048.86 : x
  2. Step 2: Convert to fraction form
    1,097,815.69/1,515,915.63 = 690,048.86/x
  3. Step 3: Cross multiply
    1,097,815.69x = 1,515,915.63 × 690,048.86
  4. Step 4: Simplify right side
    1,097,815.69x = 1,046,055,853,094.14
  5. Step 5: Solve for x
    x = 1,046,055,853,094.14/1,097,815.69
  6. Step 6: Final answer
    x = 952,851.98

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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.