Home / 893,722.60-1,339,806.30-538,359.40

Finding the Fourth Proportional to 893,722.60, 1,339,806.30 and 538,359.40

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Solution

The fourth proportional to 893,722.60, 1,339,806.30 and 538,359.40 is: 807,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,722.60 : 1,339,806.30 = 538,359.40 : x
  2. Step 2: Convert to fraction form
    893,722.60/1,339,806.30 = 538,359.40/x
  3. Step 3: Cross multiply
    893,722.60x = 1,339,806.30 × 538,359.40
  4. Step 4: Simplify right side
    893,722.60x = 721,297,315,784.22
  5. Step 5: Solve for x
    x = 721,297,315,784.22/893,722.60
  6. Step 6: Final answer
    x = 807,070.69

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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.