Home / 530,283.41-731,806.49-288,581.57

Finding the Fourth Proportional to 530,283.41, 731,806.49 and 288,581.57

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Solution

The fourth proportional to 530,283.41, 731,806.49 and 288,581.57 is: 398,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,283.41 : 731,806.49 = 288,581.57 : x
  2. Step 2: Convert to fraction form
    530,283.41/731,806.49 = 288,581.57/x
  3. Step 3: Cross multiply
    530,283.41x = 731,806.49 × 288,581.57
  4. Step 4: Simplify right side
    530,283.41x = 211,185,868,371.36
  5. Step 5: Solve for x
    x = 211,185,868,371.36/530,283.41
  6. Step 6: Final answer
    x = 398,250.94

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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.