Home / 2,187,066.80-3,280,600.20-611,130.80

Finding the Fourth Proportional to 2,187,066.80, 3,280,600.20 and 611,130.80

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Solution

The fourth proportional to 2,187,066.80, 3,280,600.20 and 611,130.80 is: 916,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,066.80 : 3,280,600.20 = 611,130.80 : x
  2. Step 2: Convert to fraction form
    2,187,066.80/3,280,600.20 = 611,130.80/x
  3. Step 3: Cross multiply
    2,187,066.80x = 3,280,600.20 × 611,130.80
  4. Step 4: Simplify right side
    2,187,066.80x = 2,004,875,824,706.16
  5. Step 5: Solve for x
    x = 2,004,875,824,706.16/2,187,066.80
  6. Step 6: Final answer
    x = 916,696.20

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Double scale
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Similar ratio
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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.