Home / 1,705,573.78-2,559,697.67-1,189,885.35

Finding the Fourth Proportional to 1,705,573.78, 2,559,697.67 and 1,189,885.35

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Solution

The fourth proportional to 1,705,573.78, 2,559,697.67 and 1,189,885.35 is: 1,785,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,573.78 : 2,559,697.67 = 1,189,885.35 : x
  2. Step 2: Convert to fraction form
    1,705,573.78/2,559,697.67 = 1,189,885.35/x
  3. Step 3: Cross multiply
    1,705,573.78x = 2,559,697.67 × 1,189,885.35
  4. Step 4: Simplify right side
    1,705,573.78x = 3,045,746,757,962.14
  5. Step 5: Solve for x
    x = 3,045,746,757,962.14/1,705,573.78
  6. Step 6: Final answer
    x = 1,785,760.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.