Home / 1,083,756.80-1,627,190.40-611,364.80

Finding the Fourth Proportional to 1,083,756.80, 1,627,190.40 and 611,364.80

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Solution

The fourth proportional to 1,083,756.80, 1,627,190.40 and 611,364.80 is: 917,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,756.80 : 1,627,190.40 = 611,364.80 : x
  2. Step 2: Convert to fraction form
    1,083,756.80/1,627,190.40 = 611,364.80/x
  3. Step 3: Cross multiply
    1,083,756.80x = 1,627,190.40 × 611,364.80
  4. Step 4: Simplify right side
    1,083,756.80x = 994,806,933,457.92
  5. Step 5: Solve for x
    x = 994,806,933,457.92/1,083,756.80
  6. Step 6: Final answer
    x = 917,924.51

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Double scale
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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.