Home / 935,497.64-1,290,986.60-505,777.79

Finding the Fourth Proportional to 935,497.64, 1,290,986.60 and 505,777.79

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Solution

The fourth proportional to 935,497.64, 1,290,986.60 and 505,777.79 is: 697,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,497.64 : 1,290,986.60 = 505,777.79 : x
  2. Step 2: Convert to fraction form
    935,497.64/1,290,986.60 = 505,777.79/x
  3. Step 3: Cross multiply
    935,497.64x = 1,290,986.60 × 505,777.79
  4. Step 4: Simplify right side
    935,497.64x = 652,952,350,166.19
  5. Step 5: Solve for x
    x = 652,952,350,166.19/935,497.64
  6. Step 6: Final answer
    x = 697,973.27

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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.