Home / 589,514.88-884,186.19-289,915.05

Finding the Fourth Proportional to 589,514.88, 884,186.19 and 289,915.05

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Solution

The fourth proportional to 589,514.88, 884,186.19 and 289,915.05 is: 434,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,514.88 : 884,186.19 = 289,915.05 : x
  2. Step 2: Convert to fraction form
    589,514.88/884,186.19 = 289,915.05/x
  3. Step 3: Cross multiply
    589,514.88x = 884,186.19 × 289,915.05
  4. Step 4: Simplify right side
    589,514.88x = 256,338,883,483.16
  5. Step 5: Solve for x
    x = 256,338,883,483.16/589,514.88
  6. Step 6: Final answer
    x = 434,830.22

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Half scale
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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.