Home / 1,227,970.83-1,838,555.46-627,639.33

Finding the Fourth Proportional to 1,227,970.83, 1,838,555.46 and 627,639.33

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Solution

The fourth proportional to 1,227,970.83, 1,838,555.46 and 627,639.33 is: 939,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,970.83 : 1,838,555.46 = 627,639.33 : x
  2. Step 2: Convert to fraction form
    1,227,970.83/1,838,555.46 = 627,639.33/x
  3. Step 3: Cross multiply
    1,227,970.83x = 1,838,555.46 × 627,639.33
  4. Step 4: Simplify right side
    1,227,970.83x = 1,153,949,717,082.24
  5. Step 5: Solve for x
    x = 1,153,949,717,082.24/1,227,970.83
  6. Step 6: Final answer
    x = 939,720.79

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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.