Home / 622,086.29-858,424.33-346,423.31

Finding the Fourth Proportional to 622,086.29, 858,424.33 and 346,423.31

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Solution

The fourth proportional to 622,086.29, 858,424.33 and 346,423.31 is: 478,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,086.29 : 858,424.33 = 346,423.31 : x
  2. Step 2: Convert to fraction form
    622,086.29/858,424.33 = 346,423.31/x
  3. Step 3: Cross multiply
    622,086.29x = 858,424.33 × 346,423.31
  4. Step 4: Simplify right side
    622,086.29x = 297,378,200,023.14
  5. Step 5: Solve for x
    x = 297,378,200,023.14/622,086.29
  6. Step 6: Final answer
    x = 478,033.68

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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.