Home / 1,102,005.40-1,650,966.90-627,280.60

Finding the Fourth Proportional to 1,102,005.40, 1,650,966.90 and 627,280.60

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Solution

The fourth proportional to 1,102,005.40, 1,650,966.90 and 627,280.60 is: 939,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,005.40 : 1,650,966.90 = 627,280.60 : x
  2. Step 2: Convert to fraction form
    1,102,005.40/1,650,966.90 = 627,280.60/x
  3. Step 3: Cross multiply
    1,102,005.40x = 1,650,966.90 × 627,280.60
  4. Step 4: Simplify right side
    1,102,005.40x = 1,035,619,507,612.14
  5. Step 5: Solve for x
    x = 1,035,619,507,612.14/1,102,005.40
  6. Step 6: Final answer
    x = 939,759.01

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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.