Home / 397,036.49-547,688.59-243,968.36

Finding the Fourth Proportional to 397,036.49, 547,688.59 and 243,968.36

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Solution

The fourth proportional to 397,036.49, 547,688.59 and 243,968.36 is: 336,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,036.49 : 547,688.59 = 243,968.36 : x
  2. Step 2: Convert to fraction form
    397,036.49/547,688.59 = 243,968.36/x
  3. Step 3: Cross multiply
    397,036.49x = 547,688.59 × 243,968.36
  4. Step 4: Simplify right side
    397,036.49x = 133,618,683,744.65
  5. Step 5: Solve for x
    x = 133,618,683,744.65/397,036.49
  6. Step 6: Final answer
    x = 336,540.06

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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.