Home / 624,945.12-862,424.01-338,465.22

Finding the Fourth Proportional to 624,945.12, 862,424.01 and 338,465.22

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Solution

The fourth proportional to 624,945.12, 862,424.01 and 338,465.22 is: 467,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,945.12 : 862,424.01 = 338,465.22 : x
  2. Step 2: Convert to fraction form
    624,945.12/862,424.01 = 338,465.22/x
  3. Step 3: Cross multiply
    624,945.12x = 862,424.01 × 338,465.22
  4. Step 4: Simplify right side
    624,945.12x = 291,900,532,277.93
  5. Step 5: Solve for x
    x = 291,900,532,277.93/624,945.12
  6. Step 6: Final answer
    x = 467,081.87

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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.