Home / 935,686.36-1,291,248.56-505,966.51

Finding the Fourth Proportional to 935,686.36, 1,291,248.56 and 505,966.51

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Solution

The fourth proportional to 935,686.36, 1,291,248.56 and 505,966.51 is: 698,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,686.36 : 1,291,248.56 = 505,966.51 : x
  2. Step 2: Convert to fraction form
    935,686.36/1,291,248.56 = 505,966.51/x
  3. Step 3: Cross multiply
    935,686.36x = 1,291,248.56 × 505,966.51
  4. Step 4: Simplify right side
    935,686.36x = 653,328,527,445.73
  5. Step 5: Solve for x
    x = 653,328,527,445.73/935,686.36
  6. Step 6: Final answer
    x = 698,234.53

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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.