Home / 1,785,618.84-2,464,172.10-969,830.40

Finding the Fourth Proportional to 1,785,618.84, 2,464,172.10 and 969,830.40

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Solution

The fourth proportional to 1,785,618.84, 2,464,172.10 and 969,830.40 is: 1,338,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,618.84 : 2,464,172.10 = 969,830.40 : x
  2. Step 2: Convert to fraction form
    1,785,618.84/2,464,172.10 = 969,830.40/x
  3. Step 3: Cross multiply
    1,785,618.84x = 2,464,172.10 × 969,830.40
  4. Step 4: Simplify right side
    1,785,618.84x = 2,389,829,013,411.84
  5. Step 5: Solve for x
    x = 2,389,829,013,411.84/1,785,618.84
  6. Step 6: Final answer
    x = 1,338,375.78

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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.