Home / 945,358.42-1,304,598.67-515,647.77

Finding the Fourth Proportional to 945,358.42, 1,304,598.67 and 515,647.77

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Solution

The fourth proportional to 945,358.42, 1,304,598.67 and 515,647.77 is: 711,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,358.42 : 1,304,598.67 = 515,647.77 : x
  2. Step 2: Convert to fraction form
    945,358.42/1,304,598.67 = 515,647.77/x
  3. Step 3: Cross multiply
    945,358.42x = 1,304,598.67 × 515,647.77
  4. Step 4: Simplify right side
    945,358.42x = 672,713,394,930.47
  5. Step 5: Solve for x
    x = 672,713,394,930.47/945,358.42
  6. Step 6: Final answer
    x = 711,596.14

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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.