Home / 705,425.92-973,499.40-383,136.26

Finding the Fourth Proportional to 705,425.92, 973,499.40 and 383,136.26

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Solution

The fourth proportional to 705,425.92, 973,499.40 and 383,136.26 is: 528,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,425.92 : 973,499.40 = 383,136.26 : x
  2. Step 2: Convert to fraction form
    705,425.92/973,499.40 = 383,136.26/x
  3. Step 3: Cross multiply
    705,425.92x = 973,499.40 × 383,136.26
  4. Step 4: Simplify right side
    705,425.92x = 372,982,919,228.24
  5. Step 5: Solve for x
    x = 372,982,919,228.24/705,425.92
  6. Step 6: Final answer
    x = 528,734.36

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1.5x scale

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.