Home / 875,765.20-1,313,647.80-734,047.60

Finding the Fourth Proportional to 875,765.20, 1,313,647.80 and 734,047.60

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Solution

The fourth proportional to 875,765.20, 1,313,647.80 and 734,047.60 is: 1,101,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,765.20 : 1,313,647.80 = 734,047.60 : x
  2. Step 2: Convert to fraction form
    875,765.20/1,313,647.80 = 734,047.60/x
  3. Step 3: Cross multiply
    875,765.20x = 1,313,647.80 × 734,047.60
  4. Step 4: Simplify right side
    875,765.20x = 964,280,014,835.28
  5. Step 5: Solve for x
    x = 964,280,014,835.28/875,765.20
  6. Step 6: Final answer
    x = 1,101,071.40

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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.