Home / 985,699.21-1,359,790.50-577,547.61

Finding the Fourth Proportional to 985,699.21, 1,359,790.50 and 577,547.61

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Solution

The fourth proportional to 985,699.21, 1,359,790.50 and 577,547.61 is: 796,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,699.21 : 1,359,790.50 = 577,547.61 : x
  2. Step 2: Convert to fraction form
    985,699.21/1,359,790.50 = 577,547.61/x
  3. Step 3: Cross multiply
    985,699.21x = 1,359,790.50 × 577,547.61
  4. Step 4: Simplify right side
    985,699.21x = 785,343,753,375.71
  5. Step 5: Solve for x
    x = 785,343,753,375.71/985,699.21
  6. Step 6: Final answer
    x = 796,737.73

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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.