Home / 1,103,923.28-1,523,457.32-620,486.93

Finding the Fourth Proportional to 1,103,923.28, 1,523,457.32 and 620,486.93

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Solution

The fourth proportional to 1,103,923.28, 1,523,457.32 and 620,486.93 is: 856,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,923.28 : 1,523,457.32 = 620,486.93 : x
  2. Step 2: Convert to fraction form
    1,103,923.28/1,523,457.32 = 620,486.93/x
  3. Step 3: Cross multiply
    1,103,923.28x = 1,523,457.32 × 620,486.93
  4. Step 4: Simplify right side
    1,103,923.28x = 945,285,356,179.04
  5. Step 5: Solve for x
    x = 945,285,356,179.04/1,103,923.28
  6. Step 6: Final answer
    x = 856,296.24

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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.