Home / 1,136,973.08-1,569,012.72-627,664.52

Finding the Fourth Proportional to 1,136,973.08, 1,569,012.72 and 627,664.52

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Solution

The fourth proportional to 1,136,973.08, 1,569,012.72 and 627,664.52 is: 866,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,973.08 : 1,569,012.72 = 627,664.52 : x
  2. Step 2: Convert to fraction form
    1,136,973.08/1,569,012.72 = 627,664.52/x
  3. Step 3: Cross multiply
    1,136,973.08x = 1,569,012.72 × 627,664.52
  4. Step 4: Simplify right side
    1,136,973.08x = 984,813,615,772.70
  5. Step 5: Solve for x
    x = 984,813,615,772.70/1,136,973.08
  6. Step 6: Final answer
    x = 866,171.45

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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.