Home / 1,923,969.40-2,885,273.70-661,503.40

Finding the Fourth Proportional to 1,923,969.40, 2,885,273.70 and 661,503.40

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Solution

The fourth proportional to 1,923,969.40, 2,885,273.70 and 661,503.40 is: 992,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,969.40 : 2,885,273.70 = 661,503.40 : x
  2. Step 2: Convert to fraction form
    1,923,969.40/2,885,273.70 = 661,503.40/x
  3. Step 3: Cross multiply
    1,923,969.40x = 2,885,273.70 × 661,503.40
  4. Step 4: Simplify right side
    1,923,969.40x = 1,908,618,362,480.58
  5. Step 5: Solve for x
    x = 1,908,618,362,480.58/1,923,969.40
  6. Step 6: Final answer
    x = 992,021.16

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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.