Home / 935,515.95-1,291,013.89-505,796.08

Finding the Fourth Proportional to 935,515.95, 1,291,013.89 and 505,796.08

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Solution

The fourth proportional to 935,515.95, 1,291,013.89 and 505,796.08 is: 697,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,515.95 : 1,291,013.89 = 505,796.08 : x
  2. Step 2: Convert to fraction form
    935,515.95/1,291,013.89 = 505,796.08/x
  3. Step 3: Cross multiply
    935,515.95x = 1,291,013.89 × 505,796.08
  4. Step 4: Simplify right side
    935,515.95x = 652,989,771,007.75
  5. Step 5: Solve for x
    x = 652,989,771,007.75/935,515.95
  6. Step 6: Final answer
    x = 697,999.61

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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.