Home / 675,040.80-1,012,561.20-556,845.60

Finding the Fourth Proportional to 675,040.80, 1,012,561.20 and 556,845.60

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Solution

The fourth proportional to 675,040.80, 1,012,561.20 and 556,845.60 is: 835,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,040.80 : 1,012,561.20 = 556,845.60 : x
  2. Step 2: Convert to fraction form
    675,040.80/1,012,561.20 = 556,845.60/x
  3. Step 3: Cross multiply
    675,040.80x = 1,012,561.20 × 556,845.60
  4. Step 4: Simplify right side
    675,040.80x = 563,840,248,950.72
  5. Step 5: Solve for x
    x = 563,840,248,950.72/675,040.80
  6. Step 6: Final answer
    x = 835,268.40

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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.