Home / 1,271,000.34-1,906,077.15-512,645.94

Finding the Fourth Proportional to 1,271,000.34, 1,906,077.15 and 512,645.94

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Solution

The fourth proportional to 1,271,000.34, 1,906,077.15 and 512,645.94 is: 768,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,000.34 : 1,906,077.15 = 512,645.94 : x
  2. Step 2: Convert to fraction form
    1,271,000.34/1,906,077.15 = 512,645.94/x
  3. Step 3: Cross multiply
    1,271,000.34x = 1,906,077.15 × 512,645.94
  4. Step 4: Simplify right side
    1,271,000.34x = 977,142,712,274.27
  5. Step 5: Solve for x
    x = 977,142,712,274.27/1,271,000.34
  6. Step 6: Final answer
    x = 768,798.15

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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.