Home / 935,526.36-1,291,025.28-505,805.47

Finding the Fourth Proportional to 935,526.36, 1,291,025.28 and 505,805.47

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Solution

The fourth proportional to 935,526.36, 1,291,025.28 and 505,805.47 is: 698,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,526.36 : 1,291,025.28 = 505,805.47 : x
  2. Step 2: Convert to fraction form
    935,526.36/1,291,025.28 = 505,805.47/x
  3. Step 3: Cross multiply
    935,526.36x = 1,291,025.28 × 505,805.47
  4. Step 4: Simplify right side
    935,526.36x = 653,007,645,304.72
  5. Step 5: Solve for x
    x = 653,007,645,304.72/935,526.36
  6. Step 6: Final answer
    x = 698,010.95

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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.