Home / 945,312.23-1,304,530.08-515,591.03

Finding the Fourth Proportional to 945,312.23, 1,304,530.08 and 515,591.03

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Solution

The fourth proportional to 945,312.23, 1,304,530.08 and 515,591.03 is: 711,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,312.23 : 1,304,530.08 = 515,591.03 : x
  2. Step 2: Convert to fraction form
    945,312.23/1,304,530.08 = 515,591.03/x
  3. Step 3: Cross multiply
    945,312.23x = 1,304,530.08 × 515,591.03
  4. Step 4: Simplify right side
    945,312.23x = 672,604,007,613.18
  5. Step 5: Solve for x
    x = 672,604,007,613.18/945,312.23
  6. Step 6: Final answer
    x = 711,515.19

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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.