Home / 993,757.40-1,490,636.10-657,178.10

Finding the Fourth Proportional to 993,757.40, 1,490,636.10 and 657,178.10

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Solution

The fourth proportional to 993,757.40, 1,490,636.10 and 657,178.10 is: 985,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,757.40 : 1,490,636.10 = 657,178.10 : x
  2. Step 2: Convert to fraction form
    993,757.40/1,490,636.10 = 657,178.10/x
  3. Step 3: Cross multiply
    993,757.40x = 1,490,636.10 × 657,178.10
  4. Step 4: Simplify right side
    993,757.40x = 979,613,399,989.41
  5. Step 5: Solve for x
    x = 979,613,399,989.41/993,757.40
  6. Step 6: Final answer
    x = 985,767.15

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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.