Home / 854,218.25-1,178,770.57-472,222.25

Finding the Fourth Proportional to 854,218.25, 1,178,770.57 and 472,222.25

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Solution

The fourth proportional to 854,218.25, 1,178,770.57 and 472,222.25 is: 651,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,218.25 : 1,178,770.57 = 472,222.25 : x
  2. Step 2: Convert to fraction form
    854,218.25/1,178,770.57 = 472,222.25/x
  3. Step 3: Cross multiply
    854,218.25x = 1,178,770.57 × 472,222.25
  4. Step 4: Simplify right side
    854,218.25x = 556,641,697,432.00
  5. Step 5: Solve for x
    x = 556,641,697,432.00/854,218.25
  6. Step 6: Final answer
    x = 651,638.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.