Home / 933,618.36-1,288,942.40-879,809.96

Finding the Fourth Proportional to 933,618.36, 1,288,942.40 and 879,809.96

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Solution

The fourth proportional to 933,618.36, 1,288,942.40 and 879,809.96 is: 1,214,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,618.36 : 1,288,942.40 = 879,809.96 : x
  2. Step 2: Convert to fraction form
    933,618.36/1,288,942.40 = 879,809.96/x
  3. Step 3: Cross multiply
    933,618.36x = 1,288,942.40 × 879,809.96
  4. Step 4: Simplify right side
    933,618.36x = 1,134,024,366,808.19
  5. Step 5: Solve for x
    x = 1,134,024,366,808.19/933,618.36
  6. Step 6: Final answer
    x = 1,214,655.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.