Home / 628,454.94-942,830.07-207,730.83

Finding the Fourth Proportional to 628,454.94, 942,830.07 and 207,730.83

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Solution

The fourth proportional to 628,454.94, 942,830.07 and 207,730.83 is: 311,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,454.94 : 942,830.07 = 207,730.83 : x
  2. Step 2: Convert to fraction form
    628,454.94/942,830.07 = 207,730.83/x
  3. Step 3: Cross multiply
    628,454.94x = 942,830.07 × 207,730.83
  4. Step 4: Simplify right side
    628,454.94x = 195,854,872,990.06
  5. Step 5: Solve for x
    x = 195,854,872,990.06/628,454.94
  6. Step 6: Final answer
    x = 311,645.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.