Home / 1,038,792.87-1,433,356.56-579,883.73

Finding the Fourth Proportional to 1,038,792.87, 1,433,356.56 and 579,883.73

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Solution

The fourth proportional to 1,038,792.87, 1,433,356.56 and 579,883.73 is: 800,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,792.87 : 1,433,356.56 = 579,883.73 : x
  2. Step 2: Convert to fraction form
    1,038,792.87/1,433,356.56 = 579,883.73/x
  3. Step 3: Cross multiply
    1,038,792.87x = 1,433,356.56 × 579,883.73
  4. Step 4: Simplify right side
    1,038,792.87x = 831,180,141,265.99
  5. Step 5: Solve for x
    x = 831,180,141,265.99/1,038,792.87
  6. Step 6: Final answer
    x = 800,140.40

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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.