Home / 1,666,554.57-2,299,838.15-931,507.81

Finding the Fourth Proportional to 1,666,554.57, 2,299,838.15 and 931,507.81

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Solution

The fourth proportional to 1,666,554.57, 2,299,838.15 and 931,507.81 is: 1,285,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,554.57 : 2,299,838.15 = 931,507.81 : x
  2. Step 2: Convert to fraction form
    1,666,554.57/2,299,838.15 = 931,507.81/x
  3. Step 3: Cross multiply
    1,666,554.57x = 2,299,838.15 × 931,507.81
  4. Step 4: Simplify right side
    1,666,554.57x = 2,142,317,195,040.13
  5. Step 5: Solve for x
    x = 2,142,317,195,040.13/1,666,554.57
  6. Step 6: Final answer
    x = 1,285,476.78

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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.