Home / 941,798.24-1,299,645.76-512,078.72

Finding the Fourth Proportional to 941,798.24, 1,299,645.76 and 512,078.72

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Solution

The fourth proportional to 941,798.24, 1,299,645.76 and 512,078.72 is: 706,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,798.24 : 1,299,645.76 = 512,078.72 : x
  2. Step 2: Convert to fraction form
    941,798.24/1,299,645.76 = 512,078.72/x
  3. Step 3: Cross multiply
    941,798.24x = 1,299,645.76 × 512,078.72
  4. Step 4: Simplify right side
    941,798.24x = 665,520,937,234.23
  5. Step 5: Solve for x
    x = 665,520,937,234.23/941,798.24
  6. Step 6: Final answer
    x = 706,649.16

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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.