Home / 1,728,505.70-2,592,758.55-878,200.10

Finding the Fourth Proportional to 1,728,505.70, 2,592,758.55 and 878,200.10

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Solution

The fourth proportional to 1,728,505.70, 2,592,758.55 and 878,200.10 is: 1,317,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,505.70 : 2,592,758.55 = 878,200.10 : x
  2. Step 2: Convert to fraction form
    1,728,505.70/2,592,758.55 = 878,200.10/x
  3. Step 3: Cross multiply
    1,728,505.70x = 2,592,758.55 × 878,200.10
  4. Step 4: Simplify right side
    1,728,505.70x = 2,276,960,817,885.86
  5. Step 5: Solve for x
    x = 2,276,960,817,885.86/1,728,505.70
  6. Step 6: Final answer
    x = 1,317,300.15

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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.