Home / 917,209.47-1,265,865.72-554,635.86

Finding the Fourth Proportional to 917,209.47, 1,265,865.72 and 554,635.86

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Solution

The fourth proportional to 917,209.47, 1,265,865.72 and 554,635.86 is: 765,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,209.47 : 1,265,865.72 = 554,635.86 : x
  2. Step 2: Convert to fraction form
    917,209.47/1,265,865.72 = 554,635.86/x
  3. Step 3: Cross multiply
    917,209.47x = 1,265,865.72 × 554,635.86
  4. Step 4: Simplify right side
    917,209.47x = 702,094,522,256.72
  5. Step 5: Solve for x
    x = 702,094,522,256.72/917,209.47
  6. Step 6: Final answer
    x = 765,468.03

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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.