Home / 1,285,654.02-1,774,083.24-712,645.44

Finding the Fourth Proportional to 1,285,654.02, 1,774,083.24 and 712,645.44

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Solution

The fourth proportional to 1,285,654.02, 1,774,083.24 and 712,645.44 is: 983,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,654.02 : 1,774,083.24 = 712,645.44 : x
  2. Step 2: Convert to fraction form
    1,285,654.02/1,774,083.24 = 712,645.44/x
  3. Step 3: Cross multiply
    1,285,654.02x = 1,774,083.24 × 712,645.44
  4. Step 4: Simplify right side
    1,285,654.02x = 1,264,292,331,166.43
  5. Step 5: Solve for x
    x = 1,264,292,331,166.43/1,285,654.02
  6. Step 6: Final answer
    x = 983,384.57

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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.