Home / 1,666,121.31-2,299,250.53-931,075.59

Finding the Fourth Proportional to 1,666,121.31, 2,299,250.53 and 931,075.59

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Solution

The fourth proportional to 1,666,121.31, 2,299,250.53 and 931,075.59 is: 1,284,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,121.31 : 2,299,250.53 = 931,075.59 : x
  2. Step 2: Convert to fraction form
    1,666,121.31/2,299,250.53 = 931,075.59/x
  3. Step 3: Cross multiply
    1,666,121.31x = 2,299,250.53 × 931,075.59
  4. Step 4: Simplify right side
    1,666,121.31x = 2,140,776,043,248.96
  5. Step 5: Solve for x
    x = 2,140,776,043,248.96/1,666,121.31
  6. Step 6: Final answer
    x = 1,284,886.06

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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.