Home / 407,670.17-562,603.56-226,382.80

Finding the Fourth Proportional to 407,670.17, 562,603.56 and 226,382.80

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Solution

The fourth proportional to 407,670.17, 562,603.56 and 226,382.80 is: 312,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,670.17 : 562,603.56 = 226,382.80 : x
  2. Step 2: Convert to fraction form
    407,670.17/562,603.56 = 226,382.80/x
  3. Step 3: Cross multiply
    407,670.17x = 562,603.56 × 226,382.80
  4. Step 4: Simplify right side
    407,670.17x = 127,363,768,002.21
  5. Step 5: Solve for x
    x = 127,363,768,002.21/407,670.17
  6. Step 6: Final answer
    x = 312,418.66

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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.