Home / 1,666,963.68-2,300,407.80-903,020.40

Finding the Fourth Proportional to 1,666,963.68, 2,300,407.80 and 903,020.40

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Solution

The fourth proportional to 1,666,963.68, 2,300,407.80 and 903,020.40 is: 1,246,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,963.68 : 2,300,407.80 = 903,020.40 : x
  2. Step 2: Convert to fraction form
    1,666,963.68/2,300,407.80 = 903,020.40/x
  3. Step 3: Cross multiply
    1,666,963.68x = 2,300,407.80 × 903,020.40
  4. Step 4: Simplify right side
    1,666,963.68x = 2,077,315,171,719.12
  5. Step 5: Solve for x
    x = 2,077,315,171,719.12/1,666,963.68
  6. Step 6: Final answer
    x = 1,246,167.03

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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.