Home / 990,880.89-1,367,181.34-583,000.53

Finding the Fourth Proportional to 990,880.89, 1,367,181.34 and 583,000.53

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Solution

The fourth proportional to 990,880.89, 1,367,181.34 and 583,000.53 is: 804,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,880.89 : 1,367,181.34 = 583,000.53 : x
  2. Step 2: Convert to fraction form
    990,880.89/1,367,181.34 = 583,000.53/x
  3. Step 3: Cross multiply
    990,880.89x = 1,367,181.34 × 583,000.53
  4. Step 4: Simplify right side
    990,880.89x = 797,067,445,826.11
  5. Step 5: Solve for x
    x = 797,067,445,826.11/990,880.89
  6. Step 6: Final answer
    x = 804,402.88

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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.