Home / 1,359,639.90-1,876,155.89-786,573

Finding the Fourth Proportional to 1,359,639.90, 1,876,155.89 and 786,573

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Solution

The fourth proportional to 1,359,639.90, 1,876,155.89 and 786,573 is: 1,085,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,639.90 : 1,876,155.89 = 786,573 : x
  2. Step 2: Convert to fraction form
    1,359,639.90/1,876,155.89 = 786,573/x
  3. Step 3: Cross multiply
    1,359,639.90x = 1,876,155.89 × 786,573
  4. Step 4: Simplify right side
    1,359,639.90x = 1,475,733,562,932.11
  5. Step 5: Solve for x
    x = 1,475,733,562,932.11/1,359,639.90
  6. Step 6: Final answer
    x = 1,085,385.60

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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.