Home / 403,528.14-556,847.48-231,437.26

Finding the Fourth Proportional to 403,528.14, 556,847.48 and 231,437.26

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Solution

The fourth proportional to 403,528.14, 556,847.48 and 231,437.26 is: 319,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,528.14 : 556,847.48 = 231,437.26 : x
  2. Step 2: Convert to fraction form
    403,528.14/556,847.48 = 231,437.26/x
  3. Step 3: Cross multiply
    403,528.14x = 556,847.48 × 231,437.26
  4. Step 4: Simplify right side
    403,528.14x = 128,875,255,009.11
  5. Step 5: Solve for x
    x = 128,875,255,009.11/403,528.14
  6. Step 6: Final answer
    x = 319,371.17

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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.