Home / 1,155,456.95-1,594,500.86-639,230.27

Finding the Fourth Proportional to 1,155,456.95, 1,594,500.86 and 639,230.27

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Solution

The fourth proportional to 1,155,456.95, 1,594,500.86 and 639,230.27 is: 882,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,456.95 : 1,594,500.86 = 639,230.27 : x
  2. Step 2: Convert to fraction form
    1,155,456.95/1,594,500.86 = 639,230.27/x
  3. Step 3: Cross multiply
    1,155,456.95x = 1,594,500.86 × 639,230.27
  4. Step 4: Simplify right side
    1,155,456.95x = 1,019,253,208,878.60
  5. Step 5: Solve for x
    x = 1,019,253,208,878.60/1,155,456.95
  6. Step 6: Final answer
    x = 882,121.32

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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.