Home / 388,932.52-536,723.70-216,848.44

Finding the Fourth Proportional to 388,932.52, 536,723.70 and 216,848.44

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Solution

The fourth proportional to 388,932.52, 536,723.70 and 216,848.44 is: 299,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,932.52 : 536,723.70 = 216,848.44 : x
  2. Step 2: Convert to fraction form
    388,932.52/536,723.70 = 216,848.44/x
  3. Step 3: Cross multiply
    388,932.52x = 536,723.70 × 216,848.44
  4. Step 4: Simplify right side
    388,932.52x = 116,387,697,056.03
  5. Step 5: Solve for x
    x = 116,387,697,056.03/388,932.52
  6. Step 6: Final answer
    x = 299,249.08

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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.