Home / 563,983.56-778,336.90-322,301.84

Finding the Fourth Proportional to 563,983.56, 778,336.90 and 322,301.84

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Solution

The fourth proportional to 563,983.56, 778,336.90 and 322,301.84 is: 444,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,983.56 : 778,336.90 = 322,301.84 : x
  2. Step 2: Convert to fraction form
    563,983.56/778,336.90 = 322,301.84/x
  3. Step 3: Cross multiply
    563,983.56x = 778,336.90 × 322,301.84
  4. Step 4: Simplify right side
    563,983.56x = 250,859,410,312.46
  5. Step 5: Solve for x
    x = 250,859,410,312.46/563,983.56
  6. Step 6: Final answer
    x = 444,799.15

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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.