Home / 933,607.20-1,400,410.80-919,610.40

Finding the Fourth Proportional to 933,607.20, 1,400,410.80 and 919,610.40

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Solution

The fourth proportional to 933,607.20, 1,400,410.80 and 919,610.40 is: 1,379,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,607.20 : 1,400,410.80 = 919,610.40 : x
  2. Step 2: Convert to fraction form
    933,607.20/1,400,410.80 = 919,610.40/x
  3. Step 3: Cross multiply
    933,607.20x = 1,400,410.80 × 919,610.40
  4. Step 4: Simplify right side
    933,607.20x = 1,287,832,335,952.32
  5. Step 5: Solve for x
    x = 1,287,832,335,952.32/933,607.20
  6. Step 6: Final answer
    x = 1,379,415.60

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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.