Home / 1,286,120.59-1,774,870.82-705,306.93

Finding the Fourth Proportional to 1,286,120.59, 1,774,870.82 and 705,306.93

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Solution

The fourth proportional to 1,286,120.59, 1,774,870.82 and 705,306.93 is: 973,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,120.59 : 1,774,870.82 = 705,306.93 : x
  2. Step 2: Convert to fraction form
    1,286,120.59/1,774,870.82 = 705,306.93/x
  3. Step 3: Cross multiply
    1,286,120.59x = 1,774,870.82 × 705,306.93
  4. Step 4: Simplify right side
    1,286,120.59x = 1,251,828,689,200.78
  5. Step 5: Solve for x
    x = 1,251,828,689,200.78/1,286,120.59
  6. Step 6: Final answer
    x = 973,336.95

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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.