Home / 554,719.91-831,758.94-217,365.59

Finding the Fourth Proportional to 554,719.91, 831,758.94 and 217,365.59

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Solution

The fourth proportional to 554,719.91, 831,758.94 and 217,365.59 is: 325,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,719.91 : 831,758.94 = 217,365.59 : x
  2. Step 2: Convert to fraction form
    554,719.91/831,758.94 = 217,365.59/x
  3. Step 3: Cross multiply
    554,719.91x = 831,758.94 × 217,365.59
  4. Step 4: Simplify right side
    554,719.91x = 180,795,774,810.27
  5. Step 5: Solve for x
    x = 180,795,774,810.27/554,719.91
  6. Step 6: Final answer
    x = 325,922.64

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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.