Home / 1,178,116.40-1,768,096.20-547,108.40

Finding the Fourth Proportional to 1,178,116.40, 1,768,096.20 and 547,108.40

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Solution

The fourth proportional to 1,178,116.40, 1,768,096.20 and 547,108.40 is: 821,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,116.40 : 1,768,096.20 = 547,108.40 : x
  2. Step 2: Convert to fraction form
    1,178,116.40/1,768,096.20 = 547,108.40/x
  3. Step 3: Cross multiply
    1,178,116.40x = 1,768,096.20 × 547,108.40
  4. Step 4: Simplify right side
    1,178,116.40x = 967,340,283,028.08
  5. Step 5: Solve for x
    x = 967,340,283,028.08/1,178,116.40
  6. Step 6: Final answer
    x = 821,090.58

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Double scale
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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.