Home / 864,025.80-1,296,038.70-811,537.80

Finding the Fourth Proportional to 864,025.80, 1,296,038.70 and 811,537.80

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Solution

The fourth proportional to 864,025.80, 1,296,038.70 and 811,537.80 is: 1,217,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,025.80 : 1,296,038.70 = 811,537.80 : x
  2. Step 2: Convert to fraction form
    864,025.80/1,296,038.70 = 811,537.80/x
  3. Step 3: Cross multiply
    864,025.80x = 1,296,038.70 × 811,537.80
  4. Step 4: Simplify right side
    864,025.80x = 1,051,784,395,312.86
  5. Step 5: Solve for x
    x = 1,051,784,395,312.86/864,025.80
  6. Step 6: Final answer
    x = 1,217,306.70

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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.