Home / 1,154,972.78-1,593,816.71-638,693.16

Finding the Fourth Proportional to 1,154,972.78, 1,593,816.71 and 638,693.16

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Solution

The fourth proportional to 1,154,972.78, 1,593,816.71 and 638,693.16 is: 881,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,972.78 : 1,593,816.71 = 638,693.16 : x
  2. Step 2: Convert to fraction form
    1,154,972.78/1,593,816.71 = 638,693.16/x
  3. Step 3: Cross multiply
    1,154,972.78x = 1,593,816.71 × 638,693.16
  4. Step 4: Simplify right side
    1,154,972.78x = 1,017,959,830,970.70
  5. Step 5: Solve for x
    x = 1,017,959,830,970.70/1,154,972.78
  6. Step 6: Final answer
    x = 881,371.27

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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.