Home / 1,767,165.60-2,652,130.80-820,653.60

Finding the Fourth Proportional to 1,767,165.60, 2,652,130.80 and 820,653.60

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Solution

The fourth proportional to 1,767,165.60, 2,652,130.80 and 820,653.60 is: 1,231,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,165.60 : 2,652,130.80 = 820,653.60 : x
  2. Step 2: Convert to fraction form
    1,767,165.60/2,652,130.80 = 820,653.60/x
  3. Step 3: Cross multiply
    1,767,165.60x = 2,652,130.80 × 820,653.60
  4. Step 4: Simplify right side
    1,767,165.60x = 2,176,480,688,690.88
  5. Step 5: Solve for x
    x = 2,176,480,688,690.88/1,767,165.60
  6. Step 6: Final answer
    x = 1,231,622.37

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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.