Home / 621,741.69-858,035.03-367,087.41

Finding the Fourth Proportional to 621,741.69, 858,035.03 and 367,087.41

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Solution

The fourth proportional to 621,741.69, 858,035.03 and 367,087.41 is: 506,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,741.69 : 858,035.03 = 367,087.41 : x
  2. Step 2: Convert to fraction form
    621,741.69/858,035.03 = 367,087.41/x
  3. Step 3: Cross multiply
    621,741.69x = 858,035.03 × 367,087.41
  4. Step 4: Simplify right side
    621,741.69x = 314,973,855,016.54
  5. Step 5: Solve for x
    x = 314,973,855,016.54/621,741.69
  6. Step 6: Final answer
    x = 506,599.22

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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.