Home / 1,759,931.36-2,639,897-813,179.04

Finding the Fourth Proportional to 1,759,931.36, 2,639,897 and 813,179.04

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Solution

The fourth proportional to 1,759,931.36, 2,639,897 and 813,179.04 is: 1,219,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,931.36 : 2,639,897 = 813,179.04 : x
  2. Step 2: Convert to fraction form
    1,759,931.36/2,639,897 = 813,179.04/x
  3. Step 3: Cross multiply
    1,759,931.36x = 2,639,897 × 813,179.04
  4. Step 4: Simplify right side
    1,759,931.36x = 2,146,708,908,158.88
  5. Step 5: Solve for x
    x = 2,146,708,908,158.88/1,759,931.36
  6. Step 6: Final answer
    x = 1,219,768.54

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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.