Home / 724,662.90-1,085,682.15-619,686.90

Finding the Fourth Proportional to 724,662.90, 1,085,682.15 and 619,686.90

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Solution

The fourth proportional to 724,662.90, 1,085,682.15 and 619,686.90 is: 928,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,662.90 : 1,085,682.15 = 619,686.90 : x
  2. Step 2: Convert to fraction form
    724,662.90/1,085,682.15 = 619,686.90/x
  3. Step 3: Cross multiply
    724,662.90x = 1,085,682.15 × 619,686.90
  4. Step 4: Simplify right side
    724,662.90x = 672,783,005,918.84
  5. Step 5: Solve for x
    x = 672,783,005,918.84/724,662.90
  6. Step 6: Final answer
    x = 928,408.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.