Home / 705,347.11-973,378.78-383,057.29

Finding the Fourth Proportional to 705,347.11, 973,378.78 and 383,057.29

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Solution

The fourth proportional to 705,347.11, 973,378.78 and 383,057.29 is: 528,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,347.11 : 973,378.78 = 383,057.29 : x
  2. Step 2: Convert to fraction form
    705,347.11/973,378.78 = 383,057.29/x
  3. Step 3: Cross multiply
    705,347.11x = 973,378.78 × 383,057.29
  4. Step 4: Simplify right side
    705,347.11x = 372,859,837,610.31
  5. Step 5: Solve for x
    x = 372,859,837,610.31/705,347.11
  6. Step 6: Final answer
    x = 528,618.93

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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.