Home / 1,877,385.87-2,814,408.45-679,041.63

Finding the Fourth Proportional to 1,877,385.87, 2,814,408.45 and 679,041.63

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Solution

The fourth proportional to 1,877,385.87, 2,814,408.45 and 679,041.63 is: 1,017,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,385.87 : 2,814,408.45 = 679,041.63 : x
  2. Step 2: Convert to fraction form
    1,877,385.87/2,814,408.45 = 679,041.63/x
  3. Step 3: Cross multiply
    1,877,385.87x = 2,814,408.45 × 679,041.63
  4. Step 4: Simplify right side
    1,877,385.87x = 1,911,100,501,373.77
  5. Step 5: Solve for x
    x = 1,911,100,501,373.77/1,877,385.87
  6. Step 6: Final answer
    x = 1,017,958.29

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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.