Home / 1,144,042.93-1,578,803.36-627,792.31

Finding the Fourth Proportional to 1,144,042.93, 1,578,803.36 and 627,792.31

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Solution

The fourth proportional to 1,144,042.93, 1,578,803.36 and 627,792.31 is: 866,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,042.93 : 1,578,803.36 = 627,792.31 : x
  2. Step 2: Convert to fraction form
    1,144,042.93/1,578,803.36 = 627,792.31/x
  3. Step 3: Cross multiply
    1,144,042.93x = 1,578,803.36 × 627,792.31
  4. Step 4: Simplify right side
    1,144,042.93x = 991,160,601,324.19
  5. Step 5: Solve for x
    x = 991,160,601,324.19/1,144,042.93
  6. Step 6: Final answer
    x = 866,366.62

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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.