Home / 940,225.38-1,297,511.10-510,505.80

Finding the Fourth Proportional to 940,225.38, 1,297,511.10 and 510,505.80

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Solution

The fourth proportional to 940,225.38, 1,297,511.10 and 510,505.80 is: 704,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,225.38 : 1,297,511.10 = 510,505.80 : x
  2. Step 2: Convert to fraction form
    940,225.38/1,297,511.10 = 510,505.80/x
  3. Step 3: Cross multiply
    940,225.38x = 1,297,511.10 × 510,505.80
  4. Step 4: Simplify right side
    940,225.38x = 662,386,942,114.38
  5. Step 5: Solve for x
    x = 662,386,942,114.38/940,225.38
  6. Step 6: Final answer
    x = 704,498.05

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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.