Home / 563,914.58-778,130.13-322,212.80

Finding the Fourth Proportional to 563,914.58, 778,130.13 and 322,212.80

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Solution

The fourth proportional to 563,914.58, 778,130.13 and 322,212.80 is: 444,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,914.58 : 778,130.13 = 322,212.80 : x
  2. Step 2: Convert to fraction form
    563,914.58/778,130.13 = 322,212.80/x
  3. Step 3: Cross multiply
    563,914.58x = 778,130.13 × 322,212.80
  4. Step 4: Simplify right side
    563,914.58x = 250,723,487,951.66
  5. Step 5: Solve for x
    x = 250,723,487,951.66/563,914.58
  6. Step 6: Final answer
    x = 444,612.53

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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.