Home / 864,145.60-1,296,218.40-777,054.40

Finding the Fourth Proportional to 864,145.60, 1,296,218.40 and 777,054.40

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Solution

The fourth proportional to 864,145.60, 1,296,218.40 and 777,054.40 is: 1,165,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,145.60 : 1,296,218.40 = 777,054.40 : x
  2. Step 2: Convert to fraction form
    864,145.60/1,296,218.40 = 777,054.40/x
  3. Step 3: Cross multiply
    864,145.60x = 1,296,218.40 × 777,054.40
  4. Step 4: Simplify right side
    864,145.60x = 1,007,232,211,080.96
  5. Step 5: Solve for x
    x = 1,007,232,211,080.96/864,145.60
  6. Step 6: Final answer
    x = 1,165,581.60

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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.