Home / 887,603.85-1,331,405.78-414,337.05

Finding the Fourth Proportional to 887,603.85, 1,331,405.78 and 414,337.05

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Solution

The fourth proportional to 887,603.85, 1,331,405.78 and 414,337.05 is: 621,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,603.85 : 1,331,405.78 = 414,337.05 : x
  2. Step 2: Convert to fraction form
    887,603.85/1,331,405.78 = 414,337.05/x
  3. Step 3: Cross multiply
    887,603.85x = 1,331,405.78 × 414,337.05
  4. Step 4: Simplify right side
    887,603.85x = 551,650,741,166.46
  5. Step 5: Solve for x
    x = 551,650,741,166.46/887,603.85
  6. Step 6: Final answer
    x = 621,505.58

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1.5x scale

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.