Home / 1,551,503.36-2,141,060.64-872,444.72

Finding the Fourth Proportional to 1,551,503.36, 2,141,060.64 and 872,444.72

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Solution

The fourth proportional to 1,551,503.36, 2,141,060.64 and 872,444.72 is: 1,203,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,503.36 : 2,141,060.64 = 872,444.72 : x
  2. Step 2: Convert to fraction form
    1,551,503.36/2,141,060.64 = 872,444.72/x
  3. Step 3: Cross multiply
    1,551,503.36x = 2,141,060.64 × 872,444.72
  4. Step 4: Simplify right side
    1,551,503.36x = 1,867,957,050,567.82
  5. Step 5: Solve for x
    x = 1,867,957,050,567.82/1,551,503.36
  6. Step 6: Final answer
    x = 1,203,965.84

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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.