Home / 1,663,645.92-2,495,910.98-526,428.32

Finding the Fourth Proportional to 1,663,645.92, 2,495,910.98 and 526,428.32

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Solution

The fourth proportional to 1,663,645.92, 2,495,910.98 and 526,428.32 is: 789,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,645.92 : 2,495,910.98 = 526,428.32 : x
  2. Step 2: Convert to fraction form
    1,663,645.92/2,495,910.98 = 526,428.32/x
  3. Step 3: Cross multiply
    1,663,645.92x = 2,495,910.98 × 526,428.32
  4. Step 4: Simplify right side
    1,663,645.92x = 1,313,918,224,070.95
  5. Step 5: Solve for x
    x = 1,313,918,224,070.95/1,663,645.92
  6. Step 6: Final answer
    x = 789,782.37

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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.