Home / 1,583,374.42-2,185,003.55-938,411.72

Finding the Fourth Proportional to 1,583,374.42, 2,185,003.55 and 938,411.72

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Solution

The fourth proportional to 1,583,374.42, 2,185,003.55 and 938,411.72 is: 1,294,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,374.42 : 2,185,003.55 = 938,411.72 : x
  2. Step 2: Convert to fraction form
    1,583,374.42/2,185,003.55 = 938,411.72/x
  3. Step 3: Cross multiply
    1,583,374.42x = 2,185,003.55 × 938,411.72
  4. Step 4: Simplify right side
    1,583,374.42x = 2,050,432,923,944.53
  5. Step 5: Solve for x
    x = 2,050,432,923,944.53/1,583,374.42
  6. Step 6: Final answer
    x = 1,294,976.66

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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.