Home / 1,617,920.76-2,427,193.26-620,571

Finding the Fourth Proportional to 1,617,920.76, 2,427,193.26 and 620,571

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Solution

The fourth proportional to 1,617,920.76, 2,427,193.26 and 620,571 is: 930,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,920.76 : 2,427,193.26 = 620,571 : x
  2. Step 2: Convert to fraction form
    1,617,920.76/2,427,193.26 = 620,571/x
  3. Step 3: Cross multiply
    1,617,920.76x = 2,427,193.26 × 620,571
  4. Step 4: Simplify right side
    1,617,920.76x = 1,506,245,748,551.46
  5. Step 5: Solve for x
    x = 1,506,245,748,551.46/1,617,920.76
  6. Step 6: Final answer
    x = 930,976.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.