Home / 940,700.02-1,298,168.49-510,976.66

Finding the Fourth Proportional to 940,700.02, 1,298,168.49 and 510,976.66

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Solution

The fourth proportional to 940,700.02, 1,298,168.49 and 510,976.66 is: 705,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,700.02 : 1,298,168.49 = 510,976.66 : x
  2. Step 2: Convert to fraction form
    940,700.02/1,298,168.49 = 510,976.66/x
  3. Step 3: Cross multiply
    940,700.02x = 1,298,168.49 × 510,976.66
  4. Step 4: Simplify right side
    940,700.02x = 663,333,799,137.44
  5. Step 5: Solve for x
    x = 663,333,799,137.44/940,700.02
  6. Step 6: Final answer
    x = 705,149.13

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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.