Home / 672,814.11-928,466.61-366,896.39

Finding the Fourth Proportional to 672,814.11, 928,466.61 and 366,896.39

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Solution

The fourth proportional to 672,814.11, 928,466.61 and 366,896.39 is: 506,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,814.11 : 928,466.61 = 366,896.39 : x
  2. Step 2: Convert to fraction form
    672,814.11/928,466.61 = 366,896.39/x
  3. Step 3: Cross multiply
    672,814.11x = 928,466.61 × 366,896.39
  4. Step 4: Simplify right side
    672,814.11x = 340,651,042,802.21
  5. Step 5: Solve for x
    x = 340,651,042,802.21/672,814.11
  6. Step 6: Final answer
    x = 506,307.82

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Double scale
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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.