Home / 622,317.08-858,808.50-367,667.66

Finding the Fourth Proportional to 622,317.08, 858,808.50 and 367,667.66

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Solution

The fourth proportional to 622,317.08, 858,808.50 and 367,667.66 is: 507,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,317.08 : 858,808.50 = 367,667.66 : x
  2. Step 2: Convert to fraction form
    622,317.08/858,808.50 = 367,667.66/x
  3. Step 3: Cross multiply
    622,317.08x = 858,808.50 × 367,667.66
  4. Step 4: Simplify right side
    622,317.08x = 315,756,111,583.11
  5. Step 5: Solve for x
    x = 315,756,111,583.11/622,317.08
  6. Step 6: Final answer
    x = 507,387.83

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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.