Home / 979,395.96-1,469,341.02-474,198.96

Finding the Fourth Proportional to 979,395.96, 1,469,341.02 and 474,198.96

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Solution

The fourth proportional to 979,395.96, 1,469,341.02 and 474,198.96 is: 711,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,395.96 : 1,469,341.02 = 474,198.96 : x
  2. Step 2: Convert to fraction form
    979,395.96/1,469,341.02 = 474,198.96/x
  3. Step 3: Cross multiply
    979,395.96x = 1,469,341.02 × 474,198.96
  4. Step 4: Simplify right side
    979,395.96x = 696,759,983,569.34
  5. Step 5: Solve for x
    x = 696,759,983,569.34/979,395.96
  6. Step 6: Final answer
    x = 711,418.07

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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.