Home / 622,204.07-858,705.91-380,647.22

Finding the Fourth Proportional to 622,204.07, 858,705.91 and 380,647.22

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Solution

The fourth proportional to 622,204.07, 858,705.91 and 380,647.22 is: 525,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,204.07 : 858,705.91 = 380,647.22 : x
  2. Step 2: Convert to fraction form
    622,204.07/858,705.91 = 380,647.22/x
  3. Step 3: Cross multiply
    622,204.07x = 858,705.91 × 380,647.22
  4. Step 4: Simplify right side
    622,204.07x = 326,864,012,193.92
  5. Step 5: Solve for x
    x = 326,864,012,193.92/622,204.07
  6. Step 6: Final answer
    x = 525,332.49

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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.