Home / 945,365.04-1,304,607.82-515,654.40

Finding the Fourth Proportional to 945,365.04, 1,304,607.82 and 515,654.40

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Solution

The fourth proportional to 945,365.04, 1,304,607.82 and 515,654.40 is: 711,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,365.04 : 1,304,607.82 = 515,654.40 : x
  2. Step 2: Convert to fraction form
    945,365.04/1,304,607.82 = 515,654.40/x
  3. Step 3: Cross multiply
    945,365.04x = 1,304,607.82 × 515,654.40
  4. Step 4: Simplify right side
    945,365.04x = 672,726,762,657.41
  5. Step 5: Solve for x
    x = 672,726,762,657.41/945,365.04
  6. Step 6: Final answer
    x = 711,605.29

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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.