Home / 941,800.23-1,299,648.51-512,080.71

Finding the Fourth Proportional to 941,800.23, 1,299,648.51 and 512,080.71

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Solution

The fourth proportional to 941,800.23, 1,299,648.51 and 512,080.71 is: 706,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,800.23 : 1,299,648.51 = 512,080.71 : x
  2. Step 2: Convert to fraction form
    941,800.23/1,299,648.51 = 512,080.71/x
  3. Step 3: Cross multiply
    941,800.23x = 1,299,648.51 × 512,080.71
  4. Step 4: Simplify right side
    941,800.23x = 665,524,931,751.24
  5. Step 5: Solve for x
    x = 665,524,931,751.24/941,800.23
  6. Step 6: Final answer
    x = 706,651.91

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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.