Home / 888,816.75-1,226,566.31-501,713.65

Finding the Fourth Proportional to 888,816.75, 1,226,566.31 and 501,713.65

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Solution

The fourth proportional to 888,816.75, 1,226,566.31 and 501,713.65 is: 692,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,816.75 : 1,226,566.31 = 501,713.65 : x
  2. Step 2: Convert to fraction form
    888,816.75/1,226,566.31 = 501,713.65/x
  3. Step 3: Cross multiply
    888,816.75x = 1,226,566.31 × 501,713.65
  4. Step 4: Simplify right side
    888,816.75x = 615,385,060,357.13
  5. Step 5: Solve for x
    x = 615,385,060,357.13/888,816.75
  6. Step 6: Final answer
    x = 692,364.38

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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.