Home / 1,211,066.40-1,816,599.60-369,616.80

Finding the Fourth Proportional to 1,211,066.40, 1,816,599.60 and 369,616.80

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Solution

The fourth proportional to 1,211,066.40, 1,816,599.60 and 369,616.80 is: 554,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,066.40 : 1,816,599.60 = 369,616.80 : x
  2. Step 2: Convert to fraction form
    1,211,066.40/1,816,599.60 = 369,616.80/x
  3. Step 3: Cross multiply
    1,211,066.40x = 1,816,599.60 × 369,616.80
  4. Step 4: Simplify right side
    1,211,066.40x = 671,445,731,033.28
  5. Step 5: Solve for x
    x = 671,445,731,033.28/1,211,066.40
  6. Step 6: Final answer
    x = 554,425.20

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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.