Home / 692,110.40-1,038,165.60-505,486.40

Finding the Fourth Proportional to 692,110.40, 1,038,165.60 and 505,486.40

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Solution

The fourth proportional to 692,110.40, 1,038,165.60 and 505,486.40 is: 758,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,110.40 : 1,038,165.60 = 505,486.40 : x
  2. Step 2: Convert to fraction form
    692,110.40/1,038,165.60 = 505,486.40/x
  3. Step 3: Cross multiply
    692,110.40x = 1,038,165.60 × 505,486.40
  4. Step 4: Simplify right side
    692,110.40x = 524,778,591,747.84
  5. Step 5: Solve for x
    x = 524,778,591,747.84/692,110.40
  6. Step 6: Final answer
    x = 758,229.60

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Similar ratio
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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.