Home / 1,977,255.72-2,963,889.36-778,714.92

Finding the Fourth Proportional to 1,977,255.72, 2,963,889.36 and 778,714.92

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Solution

The fourth proportional to 1,977,255.72, 2,963,889.36 and 778,714.92 is: 1,167,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,255.72 : 2,963,889.36 = 778,714.92 : x
  2. Step 2: Convert to fraction form
    1,977,255.72/2,963,889.36 = 778,714.92/x
  3. Step 3: Cross multiply
    1,977,255.72x = 2,963,889.36 × 778,714.92
  4. Step 4: Simplify right side
    1,977,255.72x = 2,308,024,865,861.25
  5. Step 5: Solve for x
    x = 2,308,024,865,861.25/1,977,255.72
  6. Step 6: Final answer
    x = 1,167,286.98

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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.