Home / 1,436,360.58-2,153,878.47-425,120.94

Finding the Fourth Proportional to 1,436,360.58, 2,153,878.47 and 425,120.94

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Solution

The fourth proportional to 1,436,360.58, 2,153,878.47 and 425,120.94 is: 637,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,360.58 : 2,153,878.47 = 425,120.94 : x
  2. Step 2: Convert to fraction form
    1,436,360.58/2,153,878.47 = 425,120.94/x
  3. Step 3: Cross multiply
    1,436,360.58x = 2,153,878.47 × 425,120.94
  4. Step 4: Simplify right side
    1,436,360.58x = 915,658,839,812.16
  5. Step 5: Solve for x
    x = 915,658,839,812.16/1,436,360.58
  6. Step 6: Final answer
    x = 637,485.36

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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.