Home / 770,546.12-1,063,295.88-430,948.76

Finding the Fourth Proportional to 770,546.12, 1,063,295.88 and 430,948.76

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Solution

The fourth proportional to 770,546.12, 1,063,295.88 and 430,948.76 is: 594,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,546.12 : 1,063,295.88 = 430,948.76 : x
  2. Step 2: Convert to fraction form
    770,546.12/1,063,295.88 = 430,948.76/x
  3. Step 3: Cross multiply
    770,546.12x = 1,063,295.88 × 430,948.76
  4. Step 4: Simplify right side
    770,546.12x = 458,226,040,999.11
  5. Step 5: Solve for x
    x = 458,226,040,999.11/770,546.12
  6. Step 6: Final answer
    x = 594,676.98

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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.