Home / 697,667.20-962,747.20-391,705.92

Finding the Fourth Proportional to 697,667.20, 962,747.20 and 391,705.92

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Solution

The fourth proportional to 697,667.20, 962,747.20 and 391,705.92 is: 540,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,667.20 : 962,747.20 = 391,705.92 : x
  2. Step 2: Convert to fraction form
    697,667.20/962,747.20 = 391,705.92/x
  3. Step 3: Cross multiply
    697,667.20x = 962,747.20 × 391,705.92
  4. Step 4: Simplify right side
    697,667.20x = 377,113,777,703.42
  5. Step 5: Solve for x
    x = 377,113,777,703.42/697,667.20
  6. Step 6: Final answer
    x = 540,535.34

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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.