Home / 935,327.93-1,290,752.55-505,608.06

Finding the Fourth Proportional to 935,327.93, 1,290,752.55 and 505,608.06

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Solution

The fourth proportional to 935,327.93, 1,290,752.55 and 505,608.06 is: 697,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,327.93 : 1,290,752.55 = 505,608.06 : x
  2. Step 2: Convert to fraction form
    935,327.93/1,290,752.55 = 505,608.06/x
  3. Step 3: Cross multiply
    935,327.93x = 1,290,752.55 × 505,608.06
  4. Step 4: Simplify right side
    935,327.93x = 652,614,892,745.55
  5. Step 5: Solve for x
    x = 652,614,892,745.55/935,327.93
  6. Step 6: Final answer
    x = 697,739.13

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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.