Home / 1,663,205.40-2,495,115.90-526,253.85

Finding the Fourth Proportional to 1,663,205.40, 2,495,115.90 and 526,253.85

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Solution

The fourth proportional to 1,663,205.40, 2,495,115.90 and 526,253.85 is: 789,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,205.40 : 2,495,115.90 = 526,253.85 : x
  2. Step 2: Convert to fraction form
    1,663,205.40/2,495,115.90 = 526,253.85/x
  3. Step 3: Cross multiply
    1,663,205.40x = 2,495,115.90 × 526,253.85
  4. Step 4: Simplify right side
    1,663,205.40x = 1,313,064,348,571.21
  5. Step 5: Solve for x
    x = 1,313,064,348,571.21/1,663,205.40
  6. Step 6: Final answer
    x = 789,478.17

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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.