Home / 1,296,862.34-1,941,307.28-1,105,543.58

Finding the Fourth Proportional to 1,296,862.34, 1,941,307.28 and 1,105,543.58

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Solution

The fourth proportional to 1,296,862.34, 1,941,307.28 and 1,105,543.58 is: 1,654,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,862.34 : 1,941,307.28 = 1,105,543.58 : x
  2. Step 2: Convert to fraction form
    1,296,862.34/1,941,307.28 = 1,105,543.58/x
  3. Step 3: Cross multiply
    1,296,862.34x = 1,941,307.28 × 1,105,543.58
  4. Step 4: Simplify right side
    1,296,862.34x = 2,146,199,784,977.01
  5. Step 5: Solve for x
    x = 2,146,199,784,977.01/1,296,862.34
  6. Step 6: Final answer
    x = 1,654,917.20

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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.