Home / 935,487.96-1,290,976.52-505,771.14

Finding the Fourth Proportional to 935,487.96, 1,290,976.52 and 505,771.14

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Solution

The fourth proportional to 935,487.96, 1,290,976.52 and 505,771.14 is: 697,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,487.96 : 1,290,976.52 = 505,771.14 : x
  2. Step 2: Convert to fraction form
    935,487.96/1,290,976.52 = 505,771.14/x
  3. Step 3: Cross multiply
    935,487.96x = 1,290,976.52 × 505,771.14
  4. Step 4: Simplify right side
    935,487.96x = 652,938,666,233.63
  5. Step 5: Solve for x
    x = 652,938,666,233.63/935,487.96
  6. Step 6: Final answer
    x = 697,965.87

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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.