Home / 1,038,419.43-1,433,090.71-579,623.28

Finding the Fourth Proportional to 1,038,419.43, 1,433,090.71 and 579,623.28

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Solution

The fourth proportional to 1,038,419.43, 1,433,090.71 and 579,623.28 is: 799,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,419.43 : 1,433,090.71 = 579,623.28 : x
  2. Step 2: Convert to fraction form
    1,038,419.43/1,433,090.71 = 579,623.28/x
  3. Step 3: Cross multiply
    1,038,419.43x = 1,433,090.71 × 579,623.28
  4. Step 4: Simplify right side
    1,038,419.43x = 830,652,737,867.73
  5. Step 5: Solve for x
    x = 830,652,737,867.73/1,038,419.43
  6. Step 6: Final answer
    x = 799,920.26

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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.