Home / 403,527.77-556,850.36-231,322.28

Finding the Fourth Proportional to 403,527.77, 556,850.36 and 231,322.28

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Solution

The fourth proportional to 403,527.77, 556,850.36 and 231,322.28 is: 319,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,527.77 : 556,850.36 = 231,322.28 : x
  2. Step 2: Convert to fraction form
    403,527.77/556,850.36 = 231,322.28/x
  3. Step 3: Cross multiply
    403,527.77x = 556,850.36 × 231,322.28
  4. Step 4: Simplify right side
    403,527.77x = 128,811,893,908.81
  5. Step 5: Solve for x
    x = 128,811,893,908.81/403,527.77
  6. Step 6: Final answer
    x = 319,214.44

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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.