Home / 1,640,355.84-2,461,320-892,400.64

Finding the Fourth Proportional to 1,640,355.84, 2,461,320 and 892,400.64

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Solution

The fourth proportional to 1,640,355.84, 2,461,320 and 892,400.64 is: 1,339,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,355.84 : 2,461,320 = 892,400.64 : x
  2. Step 2: Convert to fraction form
    1,640,355.84/2,461,320 = 892,400.64/x
  3. Step 3: Cross multiply
    1,640,355.84x = 2,461,320 × 892,400.64
  4. Step 4: Simplify right side
    1,640,355.84x = 2,196,483,543,244.80
  5. Step 5: Solve for x
    x = 2,196,483,543,244.80/1,640,355.84
  6. Step 6: Final answer
    x = 1,339,028.70

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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.