Home / 2,585,632.56-3,878,449.20-692,325.60

Finding the Fourth Proportional to 2,585,632.56, 3,878,449.20 and 692,325.60

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Solution

The fourth proportional to 2,585,632.56, 3,878,449.20 and 692,325.60 is: 1,038,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,632.56 : 3,878,449.20 = 692,325.60 : x
  2. Step 2: Convert to fraction form
    2,585,632.56/3,878,449.20 = 692,325.60/x
  3. Step 3: Cross multiply
    2,585,632.56x = 3,878,449.20 × 692,325.60
  4. Step 4: Simplify right side
    2,585,632.56x = 2,685,149,669,459.52
  5. Step 5: Solve for x
    x = 2,685,149,669,459.52/2,585,632.56
  6. Step 6: Final answer
    x = 1,038,488.50

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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.