Home / 1,430,993.28-1,975,036.74-819,146.04

Finding the Fourth Proportional to 1,430,993.28, 1,975,036.74 and 819,146.04

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Solution

The fourth proportional to 1,430,993.28, 1,975,036.74 and 819,146.04 is: 1,130,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,993.28 : 1,975,036.74 = 819,146.04 : x
  2. Step 2: Convert to fraction form
    1,430,993.28/1,975,036.74 = 819,146.04/x
  3. Step 3: Cross multiply
    1,430,993.28x = 1,975,036.74 × 819,146.04
  4. Step 4: Simplify right side
    1,430,993.28x = 1,617,843,524,425.51
  5. Step 5: Solve for x
    x = 1,617,843,524,425.51/1,430,993.28
  6. Step 6: Final answer
    x = 1,130,573.81

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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.