Home / 705,427.92-973,493.30-383,143.39

Finding the Fourth Proportional to 705,427.92, 973,493.30 and 383,143.39

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Solution

The fourth proportional to 705,427.92, 973,493.30 and 383,143.39 is: 528,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,427.92 : 973,493.30 = 383,143.39 : x
  2. Step 2: Convert to fraction form
    705,427.92/973,493.30 = 383,143.39/x
  3. Step 3: Cross multiply
    705,427.92x = 973,493.30 × 383,143.39
  4. Step 4: Simplify right side
    705,427.92x = 372,987,521,628.41
  5. Step 5: Solve for x
    x = 372,987,521,628.41/705,427.92
  6. Step 6: Final answer
    x = 528,739.38

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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.