Home / 941,769.90-1,299,645.27-512,051.70

Finding the Fourth Proportional to 941,769.90, 1,299,645.27 and 512,051.70

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Solution

The fourth proportional to 941,769.90, 1,299,645.27 and 512,051.70 is: 706,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,769.90 : 1,299,645.27 = 512,051.70 : x
  2. Step 2: Convert to fraction form
    941,769.90/1,299,645.27 = 512,051.70/x
  3. Step 3: Cross multiply
    941,769.90x = 1,299,645.27 × 512,051.70
  4. Step 4: Simplify right side
    941,769.90x = 665,485,569,900.46
  5. Step 5: Solve for x
    x = 665,485,569,900.46/941,769.90
  6. Step 6: Final answer
    x = 706,632.87

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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.