Home / 1,258,694.16-1,888,631.73-627,657.18

Finding the Fourth Proportional to 1,258,694.16, 1,888,631.73 and 627,657.18

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Solution

The fourth proportional to 1,258,694.16, 1,888,631.73 and 627,657.18 is: 941,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,694.16 : 1,888,631.73 = 627,657.18 : x
  2. Step 2: Convert to fraction form
    1,258,694.16/1,888,631.73 = 627,657.18/x
  3. Step 3: Cross multiply
    1,258,694.16x = 1,888,631.73 × 627,657.18
  4. Step 4: Simplify right side
    1,258,694.16x = 1,185,413,265,710.32
  5. Step 5: Solve for x
    x = 1,185,413,265,710.32/1,258,694.16
  6. Step 6: Final answer
    x = 941,780.22

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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.