Home / 1,070,706.51-1,606,055.77-261,081.63

Finding the Fourth Proportional to 1,070,706.51, 1,606,055.77 and 261,081.63

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Solution

The fourth proportional to 1,070,706.51, 1,606,055.77 and 261,081.63 is: 391,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,706.51 : 1,606,055.77 = 261,081.63 : x
  2. Step 2: Convert to fraction form
    1,070,706.51/1,606,055.77 = 261,081.63/x
  3. Step 3: Cross multiply
    1,070,706.51x = 1,606,055.77 × 261,081.63
  4. Step 4: Simplify right side
    1,070,706.51x = 419,311,658,628.86
  5. Step 5: Solve for x
    x = 419,311,658,628.86/1,070,706.51
  6. Step 6: Final answer
    x = 391,621.47

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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.