Home / 578,839.80-868,389.30-223,822.20

Finding the Fourth Proportional to 578,839.80, 868,389.30 and 223,822.20

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Solution

The fourth proportional to 578,839.80, 868,389.30 and 223,822.20 is: 335,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,839.80 : 868,389.30 = 223,822.20 : x
  2. Step 2: Convert to fraction form
    578,839.80/868,389.30 = 223,822.20/x
  3. Step 3: Cross multiply
    578,839.80x = 868,389.30 × 223,822.20
  4. Step 4: Simplify right side
    578,839.80x = 194,364,803,582.46
  5. Step 5: Solve for x
    x = 194,364,803,582.46/578,839.80
  6. Step 6: Final answer
    x = 335,783.41

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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.