Home / 852,643.50-1,176,606.66-485,086.02

Finding the Fourth Proportional to 852,643.50, 1,176,606.66 and 485,086.02

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Solution

The fourth proportional to 852,643.50, 1,176,606.66 and 485,086.02 is: 669,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,643.50 : 1,176,606.66 = 485,086.02 : x
  2. Step 2: Convert to fraction form
    852,643.50/1,176,606.66 = 485,086.02/x
  3. Step 3: Cross multiply
    852,643.50x = 1,176,606.66 × 485,086.02
  4. Step 4: Simplify right side
    852,643.50x = 570,755,441,804.89
  5. Step 5: Solve for x
    x = 570,755,441,804.89/852,643.50
  6. Step 6: Final answer
    x = 669,395.17

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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.