Home / 1,353,688.08-1,868,938.95-871,091.88

Finding the Fourth Proportional to 1,353,688.08, 1,868,938.95 and 871,091.88

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Solution

The fourth proportional to 1,353,688.08, 1,868,938.95 and 871,091.88 is: 1,202,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,688.08 : 1,868,938.95 = 871,091.88 : x
  2. Step 2: Convert to fraction form
    1,353,688.08/1,868,938.95 = 871,091.88/x
  3. Step 3: Cross multiply
    1,353,688.08x = 1,868,938.95 × 871,091.88
  4. Step 4: Simplify right side
    1,353,688.08x = 1,628,017,543,560.73
  5. Step 5: Solve for x
    x = 1,628,017,543,560.73/1,353,688.08
  6. Step 6: Final answer
    x = 1,202,653.38

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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.