Home / 684,136.56-944,109.90-382,330.56

Finding the Fourth Proportional to 684,136.56, 944,109.90 and 382,330.56

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Solution

The fourth proportional to 684,136.56, 944,109.90 and 382,330.56 is: 527,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,136.56 : 944,109.90 = 382,330.56 : x
  2. Step 2: Convert to fraction form
    684,136.56/944,109.90 = 382,330.56/x
  3. Step 3: Cross multiply
    684,136.56x = 944,109.90 × 382,330.56
  4. Step 4: Simplify right side
    684,136.56x = 360,962,066,768.54
  5. Step 5: Solve for x
    x = 360,962,066,768.54/684,136.56
  6. Step 6: Final answer
    x = 527,616.98

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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.