Home / 1,922,317.11-2,883,774.56-642,528.45

Finding the Fourth Proportional to 1,922,317.11, 2,883,774.56 and 642,528.45

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Solution

The fourth proportional to 1,922,317.11, 2,883,774.56 and 642,528.45 is: 963,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,317.11 : 2,883,774.56 = 642,528.45 : x
  2. Step 2: Convert to fraction form
    1,922,317.11/2,883,774.56 = 642,528.45/x
  3. Step 3: Cross multiply
    1,922,317.11x = 2,883,774.56 × 642,528.45
  4. Step 4: Simplify right side
    1,922,317.11x = 1,852,907,194,973.59
  5. Step 5: Solve for x
    x = 1,852,907,194,973.59/1,922,317.11
  6. Step 6: Final answer
    x = 963,892.58

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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.