Home / 692,152.80-1,038,229.20-186,712.80

Finding the Fourth Proportional to 692,152.80, 1,038,229.20 and 186,712.80

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Solution

The fourth proportional to 692,152.80, 1,038,229.20 and 186,712.80 is: 280,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,152.80 : 1,038,229.20 = 186,712.80 : x
  2. Step 2: Convert to fraction form
    692,152.80/1,038,229.20 = 186,712.80/x
  3. Step 3: Cross multiply
    692,152.80x = 1,038,229.20 × 186,712.80
  4. Step 4: Simplify right side
    692,152.80x = 193,850,680,973.76
  5. Step 5: Solve for x
    x = 193,850,680,973.76/692,152.80
  6. Step 6: Final answer
    x = 280,069.20

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Double scale
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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.