Home / 947,833.58-1,421,750.36-316,747.38

Finding the Fourth Proportional to 947,833.58, 1,421,750.36 and 316,747.38

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Solution

The fourth proportional to 947,833.58, 1,421,750.36 and 316,747.38 is: 475,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,833.58 : 1,421,750.36 = 316,747.38 : x
  2. Step 2: Convert to fraction form
    947,833.58/1,421,750.36 = 316,747.38/x
  3. Step 3: Cross multiply
    947,833.58x = 1,421,750.36 × 316,747.38
  4. Step 4: Simplify right side
    947,833.58x = 450,335,699,960.32
  5. Step 5: Solve for x
    x = 450,335,699,960.32/947,833.58
  6. Step 6: Final answer
    x = 475,121.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.