Home / 1,492,424.55-2,238,627.71-427,468.55

Finding the Fourth Proportional to 1,492,424.55, 2,238,627.71 and 427,468.55

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Solution

The fourth proportional to 1,492,424.55, 2,238,627.71 and 427,468.55 is: 641,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,424.55 : 2,238,627.71 = 427,468.55 : x
  2. Step 2: Convert to fraction form
    1,492,424.55/2,238,627.71 = 427,468.55/x
  3. Step 3: Cross multiply
    1,492,424.55x = 2,238,627.71 × 427,468.55
  4. Step 4: Simplify right side
    1,492,424.55x = 956,942,931,059.05
  5. Step 5: Solve for x
    x = 956,942,931,059.05/1,492,424.55
  6. Step 6: Final answer
    x = 641,200.21

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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.