Home / 783,081.10-1,174,621.65-546,885.10

Finding the Fourth Proportional to 783,081.10, 1,174,621.65 and 546,885.10

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Solution

The fourth proportional to 783,081.10, 1,174,621.65 and 546,885.10 is: 820,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,081.10 : 1,174,621.65 = 546,885.10 : x
  2. Step 2: Convert to fraction form
    783,081.10/1,174,621.65 = 546,885.10/x
  3. Step 3: Cross multiply
    783,081.10x = 1,174,621.65 × 546,885.10
  4. Step 4: Simplify right side
    783,081.10x = 642,383,078,522.42
  5. Step 5: Solve for x
    x = 642,383,078,522.42/783,081.10
  6. Step 6: Final answer
    x = 820,327.65

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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.