Home / 1,430,444.17-1,973,516.60-914,500.07

Finding the Fourth Proportional to 1,430,444.17, 1,973,516.60 and 914,500.07

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Solution

The fourth proportional to 1,430,444.17, 1,973,516.60 and 914,500.07 is: 1,261,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,444.17 : 1,973,516.60 = 914,500.07 : x
  2. Step 2: Convert to fraction form
    1,430,444.17/1,973,516.60 = 914,500.07/x
  3. Step 3: Cross multiply
    1,430,444.17x = 1,973,516.60 × 914,500.07
  4. Step 4: Simplify right side
    1,430,444.17x = 1,804,781,079,766.55
  5. Step 5: Solve for x
    x = 1,804,781,079,766.55/1,430,444.17
  6. Step 6: Final answer
    x = 1,261,692.78

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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.