Home / 1,688,290.53-2,532,441.78-408,898.87

Finding the Fourth Proportional to 1,688,290.53, 2,532,441.78 and 408,898.87

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Solution

The fourth proportional to 1,688,290.53, 2,532,441.78 and 408,898.87 is: 613,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,290.53 : 2,532,441.78 = 408,898.87 : x
  2. Step 2: Convert to fraction form
    1,688,290.53/2,532,441.78 = 408,898.87/x
  3. Step 3: Cross multiply
    1,688,290.53x = 2,532,441.78 × 408,898.87
  4. Step 4: Simplify right side
    1,688,290.53x = 1,035,512,582,182.79
  5. Step 5: Solve for x
    x = 1,035,512,582,182.79/1,688,290.53
  6. Step 6: Final answer
    x = 613,349.75

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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.