Home / 916,733.52-1,265,073.20-508,811.44

Finding the Fourth Proportional to 916,733.52, 1,265,073.20 and 508,811.44

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Solution

The fourth proportional to 916,733.52, 1,265,073.20 and 508,811.44 is: 702,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,733.52 : 1,265,073.20 = 508,811.44 : x
  2. Step 2: Convert to fraction form
    916,733.52/1,265,073.20 = 508,811.44/x
  3. Step 3: Cross multiply
    916,733.52x = 1,265,073.20 × 508,811.44
  4. Step 4: Simplify right side
    916,733.52x = 643,683,716,597.41
  5. Step 5: Solve for x
    x = 643,683,716,597.41/916,733.52
  6. Step 6: Final answer
    x = 702,149.21

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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.