Home / 1,353,527.64-1,867,868.13-809,686.32

Finding the Fourth Proportional to 1,353,527.64, 1,867,868.13 and 809,686.32

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Solution

The fourth proportional to 1,353,527.64, 1,867,868.13 and 809,686.32 is: 1,117,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,527.64 : 1,867,868.13 = 809,686.32 : x
  2. Step 2: Convert to fraction form
    1,353,527.64/1,867,868.13 = 809,686.32/x
  3. Step 3: Cross multiply
    1,353,527.64x = 1,867,868.13 × 809,686.32
  4. Step 4: Simplify right side
    1,353,527.64x = 1,512,387,272,424.98
  5. Step 5: Solve for x
    x = 1,512,387,272,424.98/1,353,527.64
  6. Step 6: Final answer
    x = 1,117,367.11

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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.