Home / 645,002.95-967,504.59-189,594.20

Finding the Fourth Proportional to 645,002.95, 967,504.59 and 189,594.20

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Solution

The fourth proportional to 645,002.95, 967,504.59 and 189,594.20 is: 284,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,002.95 : 967,504.59 = 189,594.20 : x
  2. Step 2: Convert to fraction form
    645,002.95/967,504.59 = 189,594.20/x
  3. Step 3: Cross multiply
    645,002.95x = 967,504.59 × 189,594.20
  4. Step 4: Simplify right side
    645,002.95x = 183,433,257,528.00
  5. Step 5: Solve for x
    x = 183,433,257,528.00/645,002.95
  6. Step 6: Final answer
    x = 284,391.35

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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.