Home / 822,065.24-1,233,070.07-289,572.36

Finding the Fourth Proportional to 822,065.24, 1,233,070.07 and 289,572.36

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Solution

The fourth proportional to 822,065.24, 1,233,070.07 and 289,572.36 is: 434,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,065.24 : 1,233,070.07 = 289,572.36 : x
  2. Step 2: Convert to fraction form
    822,065.24/1,233,070.07 = 289,572.36/x
  3. Step 3: Cross multiply
    822,065.24x = 1,233,070.07 × 289,572.36
  4. Step 4: Simplify right side
    822,065.24x = 357,063,007,856.52
  5. Step 5: Solve for x
    x = 357,063,007,856.52/822,065.24
  6. Step 6: Final answer
    x = 434,348.75

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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.