Home / 690,694.08-1,036,151.84-291,393.66

Finding the Fourth Proportional to 690,694.08, 1,036,151.84 and 291,393.66

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Solution

The fourth proportional to 690,694.08, 1,036,151.84 and 291,393.66 is: 437,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,694.08 : 1,036,151.84 = 291,393.66 : x
  2. Step 2: Convert to fraction form
    690,694.08/1,036,151.84 = 291,393.66/x
  3. Step 3: Cross multiply
    690,694.08x = 1,036,151.84 × 291,393.66
  4. Step 4: Simplify right side
    690,694.08x = 301,928,076,973.33
  5. Step 5: Solve for x
    x = 301,928,076,973.33/690,694.08
  6. Step 6: Final answer
    x = 437,137.20

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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.