Home / 1,286,807.22-1,776,006.84-714,031.92

Finding the Fourth Proportional to 1,286,807.22, 1,776,006.84 and 714,031.92

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Solution

The fourth proportional to 1,286,807.22, 1,776,006.84 and 714,031.92 is: 985,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,807.22 : 1,776,006.84 = 714,031.92 : x
  2. Step 2: Convert to fraction form
    1,286,807.22/1,776,006.84 = 714,031.92/x
  3. Step 3: Cross multiply
    1,286,807.22x = 1,776,006.84 × 714,031.92
  4. Step 4: Simplify right side
    1,286,807.22x = 1,268,125,576,575.95
  5. Step 5: Solve for x
    x = 1,268,125,576,575.95/1,286,807.22
  6. Step 6: Final answer
    x = 985,482.17

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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.