Home / 945,313.31-1,304,547.92-515,593.44

Finding the Fourth Proportional to 945,313.31, 1,304,547.92 and 515,593.44

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Solution

The fourth proportional to 945,313.31, 1,304,547.92 and 515,593.44 is: 711,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,313.31 : 1,304,547.92 = 515,593.44 : x
  2. Step 2: Convert to fraction form
    945,313.31/1,304,547.92 = 515,593.44/x
  3. Step 3: Cross multiply
    945,313.31x = 1,304,547.92 × 515,593.44
  4. Step 4: Simplify right side
    945,313.31x = 672,616,349,717.65
  5. Step 5: Solve for x
    x = 672,616,349,717.65/945,313.31
  6. Step 6: Final answer
    x = 711,527.43

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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.