Home / 661,261.15-912,550.38-370,937.07

Finding the Fourth Proportional to 661,261.15, 912,550.38 and 370,937.07

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Solution

The fourth proportional to 661,261.15, 912,550.38 and 370,937.07 is: 511,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,261.15 : 912,550.38 = 370,937.07 : x
  2. Step 2: Convert to fraction form
    661,261.15/912,550.38 = 370,937.07/x
  3. Step 3: Cross multiply
    661,261.15x = 912,550.38 × 370,937.07
  4. Step 4: Simplify right side
    661,261.15x = 338,498,764,184.59
  5. Step 5: Solve for x
    x = 338,498,764,184.59/661,261.15
  6. Step 6: Final answer
    x = 511,898.76

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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.