Home / 917,000.30-1,372,390.05-805,025.90

Finding the Fourth Proportional to 917,000.30, 1,372,390.05 and 805,025.90

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Solution

The fourth proportional to 917,000.30, 1,372,390.05 and 805,025.90 is: 1,204,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,000.30 : 1,372,390.05 = 805,025.90 : x
  2. Step 2: Convert to fraction form
    917,000.30/1,372,390.05 = 805,025.90/x
  3. Step 3: Cross multiply
    917,000.30x = 1,372,390.05 × 805,025.90
  4. Step 4: Simplify right side
    917,000.30x = 1,104,809,535,152.30
  5. Step 5: Solve for x
    x = 1,104,809,535,152.30/917,000.30
  6. Step 6: Final answer
    x = 1,204,808.26

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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.