Home / 1,437,214.42-2,155,453.88-426,099.92

Finding the Fourth Proportional to 1,437,214.42, 2,155,453.88 and 426,099.92

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Solution

The fourth proportional to 1,437,214.42, 2,155,453.88 and 426,099.92 is: 639,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,214.42 : 2,155,453.88 = 426,099.92 : x
  2. Step 2: Convert to fraction form
    1,437,214.42/2,155,453.88 = 426,099.92/x
  3. Step 3: Cross multiply
    1,437,214.42x = 2,155,453.88 × 426,099.92
  4. Step 4: Simplify right side
    1,437,214.42x = 918,438,725,831.69
  5. Step 5: Solve for x
    x = 918,438,725,831.69/1,437,214.42
  6. Step 6: Final answer
    x = 639,040.85

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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.