Home / 785,005.80-1,083,327.90-440,869.20

Finding the Fourth Proportional to 785,005.80, 1,083,327.90 and 440,869.20

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Solution

The fourth proportional to 785,005.80, 1,083,327.90 and 440,869.20 is: 608,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,005.80 : 1,083,327.90 = 440,869.20 : x
  2. Step 2: Convert to fraction form
    785,005.80/1,083,327.90 = 440,869.20/x
  3. Step 3: Cross multiply
    785,005.80x = 1,083,327.90 × 440,869.20
  4. Step 4: Simplify right side
    785,005.80x = 477,605,904,610.68
  5. Step 5: Solve for x
    x = 477,605,904,610.68/785,005.80
  6. Step 6: Final answer
    x = 608,410.67

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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.