Home / 1,253,570.20-1,880,657.70-412,077.40

Finding the Fourth Proportional to 1,253,570.20, 1,880,657.70 and 412,077.40

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Solution

The fourth proportional to 1,253,570.20, 1,880,657.70 and 412,077.40 is: 618,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,570.20 : 1,880,657.70 = 412,077.40 : x
  2. Step 2: Convert to fraction form
    1,253,570.20/1,880,657.70 = 412,077.40/x
  3. Step 3: Cross multiply
    1,253,570.20x = 1,880,657.70 × 412,077.40
  4. Step 4: Simplify right side
    1,253,570.20x = 774,976,535,305.98
  5. Step 5: Solve for x
    x = 774,976,535,305.98/1,253,570.20
  6. Step 6: Final answer
    x = 618,215.51

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1.5x scale

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.