Home / 1,404,964.95-2,107,210.09-393,854.91

Finding the Fourth Proportional to 1,404,964.95, 2,107,210.09 and 393,854.91

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Solution

The fourth proportional to 1,404,964.95, 2,107,210.09 and 393,854.91 is: 590,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,964.95 : 2,107,210.09 = 393,854.91 : x
  2. Step 2: Convert to fraction form
    1,404,964.95/2,107,210.09 = 393,854.91/x
  3. Step 3: Cross multiply
    1,404,964.95x = 2,107,210.09 × 393,854.91
  4. Step 4: Simplify right side
    1,404,964.95x = 829,935,040,348.04
  5. Step 5: Solve for x
    x = 829,935,040,348.04/1,404,964.95
  6. Step 6: Final answer
    x = 590,715.83

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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.