Home / 1,003,156.40-1,505,156.70-624,393.92

Finding the Fourth Proportional to 1,003,156.40, 1,505,156.70 and 624,393.92

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Solution

The fourth proportional to 1,003,156.40, 1,505,156.70 and 624,393.92 is: 936,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,156.40 : 1,505,156.70 = 624,393.92 : x
  2. Step 2: Convert to fraction form
    1,003,156.40/1,505,156.70 = 624,393.92/x
  3. Step 3: Cross multiply
    1,003,156.40x = 1,505,156.70 × 624,393.92
  4. Step 4: Simplify right side
    1,003,156.40x = 939,810,692,127.26
  5. Step 5: Solve for x
    x = 939,810,692,127.26/1,003,156.40
  6. Step 6: Final answer
    x = 936,853.61

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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.