Home / 930,611.76-1,283,917.17-608,510.40

Finding the Fourth Proportional to 930,611.76, 1,283,917.17 and 608,510.40

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Solution

The fourth proportional to 930,611.76, 1,283,917.17 and 608,510.40 is: 839,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,611.76 : 1,283,917.17 = 608,510.40 : x
  2. Step 2: Convert to fraction form
    930,611.76/1,283,917.17 = 608,510.40/x
  3. Step 3: Cross multiply
    930,611.76x = 1,283,917.17 × 608,510.40
  4. Step 4: Simplify right side
    930,611.76x = 781,276,950,683.57
  5. Step 5: Solve for x
    x = 781,276,950,683.57/930,611.76
  6. Step 6: Final answer
    x = 839,530.49

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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.