Home / 1,072,953.20-1,609,429.80-540,268.40

Finding the Fourth Proportional to 1,072,953.20, 1,609,429.80 and 540,268.40

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Solution

The fourth proportional to 1,072,953.20, 1,609,429.80 and 540,268.40 is: 810,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,953.20 : 1,609,429.80 = 540,268.40 : x
  2. Step 2: Convert to fraction form
    1,072,953.20/1,609,429.80 = 540,268.40/x
  3. Step 3: Cross multiply
    1,072,953.20x = 1,609,429.80 × 540,268.40
  4. Step 4: Simplify right side
    1,072,953.20x = 869,524,062,958.32
  5. Step 5: Solve for x
    x = 869,524,062,958.32/1,072,953.20
  6. Step 6: Final answer
    x = 810,402.60

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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.