Home / 867,165.60-1,298,998.80-601,226.40

Finding the Fourth Proportional to 867,165.60, 1,298,998.80 and 601,226.40

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Solution

The fourth proportional to 867,165.60, 1,298,998.80 and 601,226.40 is: 900,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,165.60 : 1,298,998.80 = 601,226.40 : x
  2. Step 2: Convert to fraction form
    867,165.60/1,298,998.80 = 601,226.40/x
  3. Step 3: Cross multiply
    867,165.60x = 1,298,998.80 × 601,226.40
  4. Step 4: Simplify right side
    867,165.60x = 780,992,372,128.32
  5. Step 5: Solve for x
    x = 780,992,372,128.32/867,165.60
  6. Step 6: Final answer
    x = 900,626.56

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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.