Home / 1,286,882.80-1,930,554.60-539,004.40

Finding the Fourth Proportional to 1,286,882.80, 1,930,554.60 and 539,004.40

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Solution

The fourth proportional to 1,286,882.80, 1,930,554.60 and 539,004.40 is: 808,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,882.80 : 1,930,554.60 = 539,004.40 : x
  2. Step 2: Convert to fraction form
    1,286,882.80/1,930,554.60 = 539,004.40/x
  3. Step 3: Cross multiply
    1,286,882.80x = 1,930,554.60 × 539,004.40
  4. Step 4: Simplify right side
    1,286,882.80x = 1,040,577,423,840.24
  5. Step 5: Solve for x
    x = 1,040,577,423,840.24/1,286,882.80
  6. Step 6: Final answer
    x = 808,603.10

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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.