Home / 864,419.22-1,191,470.85-577,834.74

Finding the Fourth Proportional to 864,419.22, 1,191,470.85 and 577,834.74

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Solution

The fourth proportional to 864,419.22, 1,191,470.85 and 577,834.74 is: 796,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,419.22 : 1,191,470.85 = 577,834.74 : x
  2. Step 2: Convert to fraction form
    864,419.22/1,191,470.85 = 577,834.74/x
  3. Step 3: Cross multiply
    864,419.22x = 1,191,470.85 × 577,834.74
  4. Step 4: Simplify right side
    864,419.22x = 688,473,248,827.33
  5. Step 5: Solve for x
    x = 688,473,248,827.33/864,419.22
  6. Step 6: Final answer
    x = 796,457.59

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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.