Home / 1,040,055.07-1,560,140.93-292,042.75

Finding the Fourth Proportional to 1,040,055.07, 1,560,140.93 and 292,042.75

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Solution

The fourth proportional to 1,040,055.07, 1,560,140.93 and 292,042.75 is: 438,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,055.07 : 1,560,140.93 = 292,042.75 : x
  2. Step 2: Convert to fraction form
    1,040,055.07/1,560,140.93 = 292,042.75/x
  3. Step 3: Cross multiply
    1,040,055.07x = 1,560,140.93 × 292,042.75
  4. Step 4: Simplify right side
    1,040,055.07x = 455,627,847,584.76
  5. Step 5: Solve for x
    x = 455,627,847,584.76/1,040,055.07
  6. Step 6: Final answer
    x = 438,080.50

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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.