Home / 663,975.90-996,215.49-397,927.35

Finding the Fourth Proportional to 663,975.90, 996,215.49 and 397,927.35

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Solution

The fourth proportional to 663,975.90, 996,215.49 and 397,927.35 is: 597,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,975.90 : 996,215.49 = 397,927.35 : x
  2. Step 2: Convert to fraction form
    663,975.90/996,215.49 = 397,927.35/x
  3. Step 3: Cross multiply
    663,975.90x = 996,215.49 × 397,927.35
  4. Step 4: Simplify right side
    663,975.90x = 396,421,389,964.65
  5. Step 5: Solve for x
    x = 396,421,389,964.65/663,975.90
  6. Step 6: Final answer
    x = 597,041.84

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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.