Home / 1,866,200.40-2,799,300.60-668,161.80

Finding the Fourth Proportional to 1,866,200.40, 2,799,300.60 and 668,161.80

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Solution

The fourth proportional to 1,866,200.40, 2,799,300.60 and 668,161.80 is: 1,002,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,200.40 : 2,799,300.60 = 668,161.80 : x
  2. Step 2: Convert to fraction form
    1,866,200.40/2,799,300.60 = 668,161.80/x
  3. Step 3: Cross multiply
    1,866,200.40x = 2,799,300.60 × 668,161.80
  4. Step 4: Simplify right side
    1,866,200.40x = 1,870,385,727,637.08
  5. Step 5: Solve for x
    x = 1,870,385,727,637.08/1,866,200.40
  6. Step 6: Final answer
    x = 1,002,242.70

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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.