Home / 2,585,567.07-3,878,350.59-812,639.07

Finding the Fourth Proportional to 2,585,567.07, 3,878,350.59 and 812,639.07

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Solution

The fourth proportional to 2,585,567.07, 3,878,350.59 and 812,639.07 is: 1,218,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,567.07 : 3,878,350.59 = 812,639.07 : x
  2. Step 2: Convert to fraction form
    2,585,567.07/3,878,350.59 = 812,639.07/x
  3. Step 3: Cross multiply
    2,585,567.07x = 3,878,350.59 × 812,639.07
  4. Step 4: Simplify right side
    2,585,567.07x = 3,151,699,216,591.55
  5. Step 5: Solve for x
    x = 3,151,699,216,591.55/2,585,567.07
  6. Step 6: Final answer
    x = 1,218,958.60

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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.