Home / 405,224.38-559,162.06-223,925.50

Finding the Fourth Proportional to 405,224.38, 559,162.06 and 223,925.50

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Solution

The fourth proportional to 405,224.38, 559,162.06 and 223,925.50 is: 308,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,224.38 : 559,162.06 = 223,925.50 : x
  2. Step 2: Convert to fraction form
    405,224.38/559,162.06 = 223,925.50/x
  3. Step 3: Cross multiply
    405,224.38x = 559,162.06 × 223,925.50
  4. Step 4: Simplify right side
    405,224.38x = 125,210,643,866.53
  5. Step 5: Solve for x
    x = 125,210,643,866.53/405,224.38
  6. Step 6: Final answer
    x = 308,990.90

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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.