Home / 1,265,069.80-1,897,604.70-517,652.20

Finding the Fourth Proportional to 1,265,069.80, 1,897,604.70 and 517,652.20

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Solution

The fourth proportional to 1,265,069.80, 1,897,604.70 and 517,652.20 is: 776,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,069.80 : 1,897,604.70 = 517,652.20 : x
  2. Step 2: Convert to fraction form
    1,265,069.80/1,897,604.70 = 517,652.20/x
  3. Step 3: Cross multiply
    1,265,069.80x = 1,897,604.70 × 517,652.20
  4. Step 4: Simplify right side
    1,265,069.80x = 982,299,247,685.34
  5. Step 5: Solve for x
    x = 982,299,247,685.34/1,265,069.80
  6. Step 6: Final answer
    x = 776,478.30

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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.