Home / 766,719.80-1,058,253.62-476,550.50

Finding the Fourth Proportional to 766,719.80, 1,058,253.62 and 476,550.50

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Solution

The fourth proportional to 766,719.80, 1,058,253.62 and 476,550.50 is: 657,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,719.80 : 1,058,253.62 = 476,550.50 : x
  2. Step 2: Convert to fraction form
    766,719.80/1,058,253.62 = 476,550.50/x
  3. Step 3: Cross multiply
    766,719.80x = 1,058,253.62 × 476,550.50
  4. Step 4: Simplify right side
    766,719.80x = 504,311,291,737.81
  5. Step 5: Solve for x
    x = 504,311,291,737.81/766,719.80
  6. Step 6: Final answer
    x = 657,751.76

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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.