Home / 645,044.40-967,566.60-195,764.40

Finding the Fourth Proportional to 645,044.40, 967,566.60 and 195,764.40

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Solution

The fourth proportional to 645,044.40, 967,566.60 and 195,764.40 is: 293,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,044.40 : 967,566.60 = 195,764.40 : x
  2. Step 2: Convert to fraction form
    645,044.40/967,566.60 = 195,764.40/x
  3. Step 3: Cross multiply
    645,044.40x = 967,566.60 × 195,764.40
  4. Step 4: Simplify right side
    645,044.40x = 189,415,094,909.04
  5. Step 5: Solve for x
    x = 189,415,094,909.04/645,044.40
  6. Step 6: Final answer
    x = 293,646.60

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Half scale
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Double scale
Find fourth proportional to 645,045.40, 967,568.10 and 195,765.40
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.