Home / 1,279,434.10-1,918,276.35-605,838.10

Finding the Fourth Proportional to 1,279,434.10, 1,918,276.35 and 605,838.10

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Solution

The fourth proportional to 1,279,434.10, 1,918,276.35 and 605,838.10 is: 908,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,434.10 : 1,918,276.35 = 605,838.10 : x
  2. Step 2: Convert to fraction form
    1,279,434.10/1,918,276.35 = 605,838.10/x
  3. Step 3: Cross multiply
    1,279,434.10x = 1,918,276.35 × 605,838.10
  4. Step 4: Simplify right side
    1,279,434.10x = 1,162,164,899,158.94
  5. Step 5: Solve for x
    x = 1,162,164,899,158.94/1,279,434.10
  6. Step 6: Final answer
    x = 908,342.91

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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.