Home / 935,698.43-1,291,263.93-505,978.55

Finding the Fourth Proportional to 935,698.43, 1,291,263.93 and 505,978.55

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Solution

The fourth proportional to 935,698.43, 1,291,263.93 and 505,978.55 is: 698,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,698.43 : 1,291,263.93 = 505,978.55 : x
  2. Step 2: Convert to fraction form
    935,698.43/1,291,263.93 = 505,978.55/x
  3. Step 3: Cross multiply
    935,698.43x = 1,291,263.93 × 505,978.55
  4. Step 4: Simplify right side
    935,698.43x = 653,351,849,354.62
  5. Step 5: Solve for x
    x = 653,351,849,354.62/935,698.43
  6. Step 6: Final answer
    x = 698,250.45

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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.