Home / 1,930,245.40-2,896,404.90-808,427.80

Finding the Fourth Proportional to 1,930,245.40, 2,896,404.90 and 808,427.80

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Solution

The fourth proportional to 1,930,245.40, 2,896,404.90 and 808,427.80 is: 1,213,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,245.40 : 2,896,404.90 = 808,427.80 : x
  2. Step 2: Convert to fraction form
    1,930,245.40/2,896,404.90 = 808,427.80/x
  3. Step 3: Cross multiply
    1,930,245.40x = 2,896,404.90 × 808,427.80
  4. Step 4: Simplify right side
    1,930,245.40x = 2,341,534,241,216.22
  5. Step 5: Solve for x
    x = 2,341,534,241,216.22/1,930,245.40
  6. Step 6: Final answer
    x = 1,213,075.93

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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.