Home / 388,986.93-536,587.32-244,005.21

Finding the Fourth Proportional to 388,986.93, 536,587.32 and 244,005.21

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Solution

The fourth proportional to 388,986.93, 536,587.32 and 244,005.21 is: 336,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,986.93 : 536,587.32 = 244,005.21 : x
  2. Step 2: Convert to fraction form
    388,986.93/536,587.32 = 244,005.21/x
  3. Step 3: Cross multiply
    388,986.93x = 536,587.32 × 244,005.21
  4. Step 4: Simplify right side
    388,986.93x = 130,930,101,699.94
  5. Step 5: Solve for x
    x = 130,930,101,699.94/388,986.93
  6. Step 6: Final answer
    x = 336,592.55

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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.