Home / 403,525.19-556,846.81-231,319.71

Finding the Fourth Proportional to 403,525.19, 556,846.81 and 231,319.71

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Solution

The fourth proportional to 403,525.19, 556,846.81 and 231,319.71 is: 319,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,525.19 : 556,846.81 = 231,319.71 : x
  2. Step 2: Convert to fraction form
    403,525.19/556,846.81 = 231,319.71/x
  3. Step 3: Cross multiply
    403,525.19x = 556,846.81 × 231,319.71
  4. Step 4: Simplify right side
    403,525.19x = 128,809,642,025.33
  5. Step 5: Solve for x
    x = 128,809,642,025.33/403,525.19
  6. Step 6: Final answer
    x = 319,210.91

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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.