Home / 1,376,009.70-2,064,014.55-1,252,006.80

Finding the Fourth Proportional to 1,376,009.70, 2,064,014.55 and 1,252,006.80

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Solution

The fourth proportional to 1,376,009.70, 2,064,014.55 and 1,252,006.80 is: 1,878,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,009.70 : 2,064,014.55 = 1,252,006.80 : x
  2. Step 2: Convert to fraction form
    1,376,009.70/2,064,014.55 = 1,252,006.80/x
  3. Step 3: Cross multiply
    1,376,009.70x = 2,064,014.55 × 1,252,006.80
  4. Step 4: Simplify right side
    1,376,009.70x = 2,584,160,251,898.94
  5. Step 5: Solve for x
    x = 2,584,160,251,898.94/1,376,009.70
  6. Step 6: Final answer
    x = 1,878,010.20

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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.