Home / 1,155,086.65-1,731,116.79-554,853.57

Finding the Fourth Proportional to 1,155,086.65, 1,731,116.79 and 554,853.57

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Solution

The fourth proportional to 1,155,086.65, 1,731,116.79 and 554,853.57 is: 831,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,086.65 : 1,731,116.79 = 554,853.57 : x
  2. Step 2: Convert to fraction form
    1,155,086.65/1,731,116.79 = 554,853.57/x
  3. Step 3: Cross multiply
    1,155,086.65x = 1,731,116.79 × 554,853.57
  4. Step 4: Simplify right side
    1,155,086.65x = 960,516,331,018.44
  5. Step 5: Solve for x
    x = 960,516,331,018.44/1,155,086.65
  6. Step 6: Final answer
    x = 831,553.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.