Home / 1,285,652.52-1,774,081.17-712,643.94

Finding the Fourth Proportional to 1,285,652.52, 1,774,081.17 and 712,643.94

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Solution

The fourth proportional to 1,285,652.52, 1,774,081.17 and 712,643.94 is: 983,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,652.52 : 1,774,081.17 = 712,643.94 : x
  2. Step 2: Convert to fraction form
    1,285,652.52/1,774,081.17 = 712,643.94/x
  3. Step 3: Cross multiply
    1,285,652.52x = 1,774,081.17 × 712,643.94
  4. Step 4: Simplify right side
    1,285,652.52x = 1,264,288,194,868.61
  5. Step 5: Solve for x
    x = 1,264,288,194,868.61/1,285,652.52
  6. Step 6: Final answer
    x = 983,382.50

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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.