Home / 1,666,964.68-2,300,409.18-903,021.40

Finding the Fourth Proportional to 1,666,964.68, 2,300,409.18 and 903,021.40

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Solution

The fourth proportional to 1,666,964.68, 2,300,409.18 and 903,021.40 is: 1,246,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,964.68 : 2,300,409.18 = 903,021.40 : x
  2. Step 2: Convert to fraction form
    1,666,964.68/2,300,409.18 = 903,021.40/x
  3. Step 3: Cross multiply
    1,666,964.68x = 2,300,409.18 × 903,021.40
  4. Step 4: Simplify right side
    1,666,964.68x = 2,077,318,718,296.45
  5. Step 5: Solve for x
    x = 2,077,318,718,296.45/1,666,964.68
  6. Step 6: Final answer
    x = 1,246,168.41

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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.