Home / 999,031.12-1,377,742.77-654,741.63

Finding the Fourth Proportional to 999,031.12, 1,377,742.77 and 654,741.63

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Solution

The fourth proportional to 999,031.12, 1,377,742.77 and 654,741.63 is: 902,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,031.12 : 1,377,742.77 = 654,741.63 : x
  2. Step 2: Convert to fraction form
    999,031.12/1,377,742.77 = 654,741.63/x
  3. Step 3: Cross multiply
    999,031.12x = 1,377,742.77 × 654,741.63
  4. Step 4: Simplify right side
    999,031.12x = 902,065,546,950.52
  5. Step 5: Solve for x
    x = 902,065,546,950.52/999,031.12
  6. Step 6: Final answer
    x = 902,940.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.