Home / 864,065.80-1,296,098.70-811,577.80

Finding the Fourth Proportional to 864,065.80, 1,296,098.70 and 811,577.80

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Solution

The fourth proportional to 864,065.80, 1,296,098.70 and 811,577.80 is: 1,217,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,065.80 : 1,296,098.70 = 811,577.80 : x
  2. Step 2: Convert to fraction form
    864,065.80/1,296,098.70 = 811,577.80/x
  3. Step 3: Cross multiply
    864,065.80x = 1,296,098.70 × 811,577.80
  4. Step 4: Simplify right side
    864,065.80x = 1,051,884,931,528.86
  5. Step 5: Solve for x
    x = 1,051,884,931,528.86/864,065.80
  6. Step 6: Final answer
    x = 1,217,366.70

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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.