Home / 571,823.52-789,113.24-313,693.86

Finding the Fourth Proportional to 571,823.52, 789,113.24 and 313,693.86

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Solution

The fourth proportional to 571,823.52, 789,113.24 and 313,693.86 is: 432,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,823.52 : 789,113.24 = 313,693.86 : x
  2. Step 2: Convert to fraction form
    571,823.52/789,113.24 = 313,693.86/x
  3. Step 3: Cross multiply
    571,823.52x = 789,113.24 × 313,693.86
  4. Step 4: Simplify right side
    571,823.52x = 247,539,980,799.76
  5. Step 5: Solve for x
    x = 247,539,980,799.76/571,823.52
  6. Step 6: Final answer
    x = 432,895.77

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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.