Home / 407,307.36-562,073.88-226,018.56

Finding the Fourth Proportional to 407,307.36, 562,073.88 and 226,018.56

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Solution

The fourth proportional to 407,307.36, 562,073.88 and 226,018.56 is: 311,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,307.36 : 562,073.88 = 226,018.56 : x
  2. Step 2: Convert to fraction form
    407,307.36/562,073.88 = 226,018.56/x
  3. Step 3: Cross multiply
    407,307.36x = 562,073.88 × 226,018.56
  4. Step 4: Simplify right side
    407,307.36x = 127,039,128,971.21
  5. Step 5: Solve for x
    x = 127,039,128,971.21/407,307.36
  6. Step 6: Final answer
    x = 311,899.91

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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.