Home / 1,232,005.60-1,700,174.72-688,164.28

Finding the Fourth Proportional to 1,232,005.60, 1,700,174.72 and 688,164.28

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Solution

The fourth proportional to 1,232,005.60, 1,700,174.72 and 688,164.28 is: 949,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,005.60 : 1,700,174.72 = 688,164.28 : x
  2. Step 2: Convert to fraction form
    1,232,005.60/1,700,174.72 = 688,164.28/x
  3. Step 3: Cross multiply
    1,232,005.60x = 1,700,174.72 × 688,164.28
  4. Step 4: Simplify right side
    1,232,005.60x = 1,169,999,512,063.00
  5. Step 5: Solve for x
    x = 1,169,999,512,063.00/1,232,005.60
  6. Step 6: Final answer
    x = 949,670.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.