Home / 1,375,075.95-1,897,576.23-763,192.83

Finding the Fourth Proportional to 1,375,075.95, 1,897,576.23 and 763,192.83

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Solution

The fourth proportional to 1,375,075.95, 1,897,576.23 and 763,192.83 is: 1,053,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,075.95 : 1,897,576.23 = 763,192.83 : x
  2. Step 2: Convert to fraction form
    1,375,075.95/1,897,576.23 = 763,192.83/x
  3. Step 3: Cross multiply
    1,375,075.95x = 1,897,576.23 × 763,192.83
  4. Step 4: Simplify right side
    1,375,075.95x = 1,448,216,573,114.43
  5. Step 5: Solve for x
    x = 1,448,216,573,114.43/1,375,075.95
  6. Step 6: Final answer
    x = 1,053,190.24

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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.