Home / 1,025,136.40-1,537,704.60-425,898.40

Finding the Fourth Proportional to 1,025,136.40, 1,537,704.60 and 425,898.40

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Solution

The fourth proportional to 1,025,136.40, 1,537,704.60 and 425,898.40 is: 638,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,136.40 : 1,537,704.60 = 425,898.40 : x
  2. Step 2: Convert to fraction form
    1,025,136.40/1,537,704.60 = 425,898.40/x
  3. Step 3: Cross multiply
    1,025,136.40x = 1,537,704.60 × 425,898.40
  4. Step 4: Simplify right side
    1,025,136.40x = 654,905,928,812.64
  5. Step 5: Solve for x
    x = 654,905,928,812.64/1,025,136.40
  6. Step 6: Final answer
    x = 638,847.60

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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.