Home / 849,491.48-1,172,276.72-462,290.44

Finding the Fourth Proportional to 849,491.48, 1,172,276.72 and 462,290.44

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Solution

The fourth proportional to 849,491.48, 1,172,276.72 and 462,290.44 is: 637,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,491.48 : 1,172,276.72 = 462,290.44 : x
  2. Step 2: Convert to fraction form
    849,491.48/1,172,276.72 = 462,290.44/x
  3. Step 3: Cross multiply
    849,491.48x = 1,172,276.72 × 462,290.44
  4. Step 4: Simplify right side
    849,491.48x = 541,932,320,690.56
  5. Step 5: Solve for x
    x = 541,932,320,690.56/849,491.48
  6. Step 6: Final answer
    x = 637,949.09

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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.