Home / 1,583,531.76-2,185,265.88-858,376.56

Finding the Fourth Proportional to 1,583,531.76, 2,185,265.88 and 858,376.56

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Solution

The fourth proportional to 1,583,531.76, 2,185,265.88 and 858,376.56 is: 1,184,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,531.76 : 2,185,265.88 = 858,376.56 : x
  2. Step 2: Convert to fraction form
    1,583,531.76/2,185,265.88 = 858,376.56/x
  3. Step 3: Cross multiply
    1,583,531.76x = 2,185,265.88 × 858,376.56
  4. Step 4: Simplify right side
    1,583,531.76x = 1,875,781,008,759.77
  5. Step 5: Solve for x
    x = 1,875,781,008,759.77/1,583,531.76
  6. Step 6: Final answer
    x = 1,184,555.34

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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.