Home / 692,500.05-1,036,386.90-580,306.95

Finding the Fourth Proportional to 692,500.05, 1,036,386.90 and 580,306.95

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Solution

The fourth proportional to 692,500.05, 1,036,386.90 and 580,306.95 is: 868,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,500.05 : 1,036,386.90 = 580,306.95 : x
  2. Step 2: Convert to fraction form
    692,500.05/1,036,386.90 = 580,306.95/x
  3. Step 3: Cross multiply
    692,500.05x = 1,036,386.90 × 580,306.95
  4. Step 4: Simplify right side
    692,500.05x = 601,422,520,958.96
  5. Step 5: Solve for x
    x = 601,422,520,958.96/692,500.05
  6. Step 6: Final answer
    x = 868,480.11

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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.