Home / 945,369.04-1,304,613.36-515,658.40

Finding the Fourth Proportional to 945,369.04, 1,304,613.36 and 515,658.40

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Solution

The fourth proportional to 945,369.04, 1,304,613.36 and 515,658.40 is: 711,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,369.04 : 1,304,613.36 = 515,658.40 : x
  2. Step 2: Convert to fraction form
    945,369.04/1,304,613.36 = 515,658.40/x
  3. Step 3: Cross multiply
    945,369.04x = 1,304,613.36 × 515,658.40
  4. Step 4: Simplify right side
    945,369.04x = 672,734,837,836.22
  5. Step 5: Solve for x
    x = 672,734,837,836.22/945,369.04
  6. Step 6: Final answer
    x = 711,610.82

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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.