Home / 1,787,683.20-2,681,589.60-525,638.40

Finding the Fourth Proportional to 1,787,683.20, 2,681,589.60 and 525,638.40

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Solution

The fourth proportional to 1,787,683.20, 2,681,589.60 and 525,638.40 is: 788,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,683.20 : 2,681,589.60 = 525,638.40 : x
  2. Step 2: Convert to fraction form
    1,787,683.20/2,681,589.60 = 525,638.40/x
  3. Step 3: Cross multiply
    1,787,683.20x = 2,681,589.60 × 525,638.40
  4. Step 4: Simplify right side
    1,787,683.20x = 1,409,546,466,800.64
  5. Step 5: Solve for x
    x = 1,409,546,466,800.64/1,787,683.20
  6. Step 6: Final answer
    x = 788,476.65

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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.