Home / 553,836.46-764,293.35-299,186.86

Finding the Fourth Proportional to 553,836.46, 764,293.35 and 299,186.86

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Solution

The fourth proportional to 553,836.46, 764,293.35 and 299,186.86 is: 412,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,836.46 : 764,293.35 = 299,186.86 : x
  2. Step 2: Convert to fraction form
    553,836.46/764,293.35 = 299,186.86/x
  3. Step 3: Cross multiply
    553,836.46x = 764,293.35 × 299,186.86
  4. Step 4: Simplify right side
    553,836.46x = 228,666,527,505.38
  5. Step 5: Solve for x
    x = 228,666,527,505.38/553,836.46
  6. Step 6: Final answer
    x = 412,877.35

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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.