Home / 645,058.45-967,590.77-195,783.22

Finding the Fourth Proportional to 645,058.45, 967,590.77 and 195,783.22

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Solution

The fourth proportional to 645,058.45, 967,590.77 and 195,783.22 is: 293,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,058.45 : 967,590.77 = 195,783.22 : x
  2. Step 2: Convert to fraction form
    645,058.45/967,590.77 = 195,783.22/x
  3. Step 3: Cross multiply
    645,058.45x = 967,590.77 × 195,783.22
  4. Step 4: Simplify right side
    645,058.45x = 189,438,036,592.88
  5. Step 5: Solve for x
    x = 189,438,036,592.88/645,058.45
  6. Step 6: Final answer
    x = 293,675.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.