Home / 4,953,781.80-7,430,672.70-4,457,770.20

Finding the Fourth Proportional to 4,953,781.80, 7,430,672.70 and 4,457,770.20

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Solution

The fourth proportional to 4,953,781.80, 7,430,672.70 and 4,457,770.20 is: 6,686,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953,781.80 : 7,430,672.70 = 4,457,770.20 : x
  2. Step 2: Convert to fraction form
    4,953,781.80/7,430,672.70 = 4,457,770.20/x
  3. Step 3: Cross multiply
    4,953,781.80x = 7,430,672.70 × 4,457,770.20
  4. Step 4: Simplify right side
    4,953,781.80x = 33,124,231,328,013.54
  5. Step 5: Solve for x
    x = 33,124,231,328,013.54/4,953,781.80
  6. Step 6: Final answer
    x = 6,686,655.30

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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.