Home / 945,142.92-1,303,911.54-577,428.84

Finding the Fourth Proportional to 945,142.92, 1,303,911.54 and 577,428.84

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Solution

The fourth proportional to 945,142.92, 1,303,911.54 and 577,428.84 is: 796,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,142.92 : 1,303,911.54 = 577,428.84 : x
  2. Step 2: Convert to fraction form
    945,142.92/1,303,911.54 = 577,428.84/x
  3. Step 3: Cross multiply
    945,142.92x = 1,303,911.54 × 577,428.84
  4. Step 4: Simplify right side
    945,142.92x = 752,916,128,004.81
  5. Step 5: Solve for x
    x = 752,916,128,004.81/945,142.92
  6. Step 6: Final answer
    x = 796,616.16

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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.