Home / 1,154,433.40-1,728,150.90-872,164.60

Finding the Fourth Proportional to 1,154,433.40, 1,728,150.90 and 872,164.60

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Solution

The fourth proportional to 1,154,433.40, 1,728,150.90 and 872,164.60 is: 1,305,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,433.40 : 1,728,150.90 = 872,164.60 : x
  2. Step 2: Convert to fraction form
    1,154,433.40/1,728,150.90 = 872,164.60/x
  3. Step 3: Cross multiply
    1,154,433.40x = 1,728,150.90 × 872,164.60
  4. Step 4: Simplify right side
    1,154,433.40x = 1,507,232,038,438.14
  5. Step 5: Solve for x
    x = 1,507,232,038,438.14/1,154,433.40
  6. Step 6: Final answer
    x = 1,305,603.28

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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.