Home / 939,103.92-1,295,985.60-571,454.64

Finding the Fourth Proportional to 939,103.92, 1,295,985.60 and 571,454.64

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Solution

The fourth proportional to 939,103.92, 1,295,985.60 and 571,454.64 is: 788,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,103.92 : 1,295,985.60 = 571,454.64 : x
  2. Step 2: Convert to fraction form
    939,103.92/1,295,985.60 = 571,454.64/x
  3. Step 3: Cross multiply
    939,103.92x = 1,295,985.60 × 571,454.64
  4. Step 4: Simplify right side
    939,103.92x = 740,596,984,493.18
  5. Step 5: Solve for x
    x = 740,596,984,493.18/939,103.92
  6. Step 6: Final answer
    x = 788,620.91

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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.