Home / 1,285,836.08-1,774,495.86-712,929.56

Finding the Fourth Proportional to 1,285,836.08, 1,774,495.86 and 712,929.56

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Solution

The fourth proportional to 1,285,836.08, 1,774,495.86 and 712,929.56 is: 983,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,836.08 : 1,774,495.86 = 712,929.56 : x
  2. Step 2: Convert to fraction form
    1,285,836.08/1,774,495.86 = 712,929.56/x
  3. Step 3: Cross multiply
    1,285,836.08x = 1,774,495.86 × 712,929.56
  4. Step 4: Simplify right side
    1,285,836.08x = 1,265,090,552,691.62
  5. Step 5: Solve for x
    x = 1,265,090,552,691.62/1,285,836.08
  6. Step 6: Final answer
    x = 983,866.12

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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.