Home / 1,286,308.89-1,775,094.18-705,520.13

Finding the Fourth Proportional to 1,286,308.89, 1,775,094.18 and 705,520.13

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Solution

The fourth proportional to 1,286,308.89, 1,775,094.18 and 705,520.13 is: 973,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,308.89 : 1,775,094.18 = 705,520.13 : x
  2. Step 2: Convert to fraction form
    1,286,308.89/1,775,094.18 = 705,520.13/x
  3. Step 3: Cross multiply
    1,286,308.89x = 1,775,094.18 × 705,520.13
  4. Step 4: Simplify right side
    1,286,308.89x = 1,252,364,676,635.84
  5. Step 5: Solve for x
    x = 1,252,364,676,635.84/1,286,308.89
  6. Step 6: Final answer
    x = 973,611.15

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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.