Home / 689,913-1,034,869.56-191,277

Finding the Fourth Proportional to 689,913, 1,034,869.56 and 191,277

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Solution

The fourth proportional to 689,913, 1,034,869.56 and 191,277 is: 286,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,913 : 1,034,869.56 = 191,277 : x
  2. Step 2: Convert to fraction form
    689,913/1,034,869.56 = 191,277/x
  3. Step 3: Cross multiply
    689,913x = 1,034,869.56 × 191,277
  4. Step 4: Simplify right side
    689,913x = 197,946,744,828.12
  5. Step 5: Solve for x
    x = 197,946,744,828.12/689,913
  6. Step 6: Final answer
    x = 286,915.52

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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.