Home / 849,680.56-1,172,590.11-462,477.27

Finding the Fourth Proportional to 849,680.56, 1,172,590.11 and 462,477.27

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Solution

The fourth proportional to 849,680.56, 1,172,590.11 and 462,477.27 is: 638,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,680.56 : 1,172,590.11 = 462,477.27 : x
  2. Step 2: Convert to fraction form
    849,680.56/1,172,590.11 = 462,477.27/x
  3. Step 3: Cross multiply
    849,680.56x = 1,172,590.11 × 462,477.27
  4. Step 4: Simplify right side
    849,680.56x = 542,296,272,901.80
  5. Step 5: Solve for x
    x = 542,296,272,901.80/849,680.56
  6. Step 6: Final answer
    x = 638,235.47

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Double scale
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Similar ratio
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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.