Home / 475,723.40-656,528.64-314,295.26

Finding the Fourth Proportional to 475,723.40, 656,528.64 and 314,295.26

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Solution

The fourth proportional to 475,723.40, 656,528.64 and 314,295.26 is: 433,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,723.40 : 656,528.64 = 314,295.26 : x
  2. Step 2: Convert to fraction form
    475,723.40/656,528.64 = 314,295.26/x
  3. Step 3: Cross multiply
    475,723.40x = 656,528.64 × 314,295.26
  4. Step 4: Simplify right side
    475,723.40x = 206,343,839,606.25
  5. Step 5: Solve for x
    x = 206,343,839,606.25/475,723.40
  6. Step 6: Final answer
    x = 433,747.51

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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.