Home / 622,788.82-930,770.73-454,663.19

Finding the Fourth Proportional to 622,788.82, 930,770.73 and 454,663.19

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Solution

The fourth proportional to 622,788.82, 930,770.73 and 454,663.19 is: 679,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,788.82 : 930,770.73 = 454,663.19 : x
  2. Step 2: Convert to fraction form
    622,788.82/930,770.73 = 454,663.19/x
  3. Step 3: Cross multiply
    622,788.82x = 930,770.73 × 454,663.19
  4. Step 4: Simplify right side
    622,788.82x = 423,187,191,587.36
  5. Step 5: Solve for x
    x = 423,187,191,587.36/622,788.82
  6. Step 6: Final answer
    x = 679,503.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.