Home / 705,354.11-973,388.45-383,064.29

Finding the Fourth Proportional to 705,354.11, 973,388.45 and 383,064.29

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Solution

The fourth proportional to 705,354.11, 973,388.45 and 383,064.29 is: 528,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,354.11 : 973,388.45 = 383,064.29 : x
  2. Step 2: Convert to fraction form
    705,354.11/973,388.45 = 383,064.29/x
  3. Step 3: Cross multiply
    705,354.11x = 973,388.45 × 383,064.29
  4. Step 4: Simplify right side
    705,354.11x = 372,870,353,578.13
  5. Step 5: Solve for x
    x = 372,870,353,578.13/705,354.11
  6. Step 6: Final answer
    x = 528,628.60

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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.