Home / 1,872,031.40-2,808,003.90-609,849.80

Finding the Fourth Proportional to 1,872,031.40, 2,808,003.90 and 609,849.80

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Solution

The fourth proportional to 1,872,031.40, 2,808,003.90 and 609,849.80 is: 914,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,031.40 : 2,808,003.90 = 609,849.80 : x
  2. Step 2: Convert to fraction form
    1,872,031.40/2,808,003.90 = 609,849.80/x
  3. Step 3: Cross multiply
    1,872,031.40x = 2,808,003.90 × 609,849.80
  4. Step 4: Simplify right side
    1,872,031.40x = 1,712,460,616,814.22
  5. Step 5: Solve for x
    x = 1,712,460,616,814.22/1,872,031.40
  6. Step 6: Final answer
    x = 914,760.63

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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.