Home / 1,644,134.60-2,465,618.70-579,211.40

Finding the Fourth Proportional to 1,644,134.60, 2,465,618.70 and 579,211.40

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Solution

The fourth proportional to 1,644,134.60, 2,465,618.70 and 579,211.40 is: 868,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,134.60 : 2,465,618.70 = 579,211.40 : x
  2. Step 2: Convert to fraction form
    1,644,134.60/2,465,618.70 = 579,211.40/x
  3. Step 3: Cross multiply
    1,644,134.60x = 2,465,618.70 × 579,211.40
  4. Step 4: Simplify right side
    1,644,134.60x = 1,428,114,459,093.18
  5. Step 5: Solve for x
    x = 1,428,114,459,093.18/1,644,134.60
  6. Step 6: Final answer
    x = 868,611.64

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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.