Home / 1,426,181.52-1,968,085.94-781,590

Finding the Fourth Proportional to 1,426,181.52, 1,968,085.94 and 781,590

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Solution

The fourth proportional to 1,426,181.52, 1,968,085.94 and 781,590 is: 1,078,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,181.52 : 1,968,085.94 = 781,590 : x
  2. Step 2: Convert to fraction form
    1,426,181.52/1,968,085.94 = 781,590/x
  3. Step 3: Cross multiply
    1,426,181.52x = 1,968,085.94 × 781,590
  4. Step 4: Simplify right side
    1,426,181.52x = 1,538,236,289,844.60
  5. Step 5: Solve for x
    x = 1,538,236,289,844.60/1,426,181.52
  6. Step 6: Final answer
    x = 1,078,569.78

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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.