Home / 1,318,436.71-1,977,852.48-477,185.29

Finding the Fourth Proportional to 1,318,436.71, 1,977,852.48 and 477,185.29

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Solution

The fourth proportional to 1,318,436.71, 1,977,852.48 and 477,185.29 is: 715,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,436.71 : 1,977,852.48 = 477,185.29 : x
  2. Step 2: Convert to fraction form
    1,318,436.71/1,977,852.48 = 477,185.29/x
  3. Step 3: Cross multiply
    1,318,436.71x = 1,977,852.48 × 477,185.29
  4. Step 4: Simplify right side
    1,318,436.71x = 943,802,104,301.39
  5. Step 5: Solve for x
    x = 943,802,104,301.39/1,318,436.71
  6. Step 6: Final answer
    x = 715,849.38

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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.