Home / 1,384,439.04-1,909,785.60-954,931.68

Finding the Fourth Proportional to 1,384,439.04, 1,909,785.60 and 954,931.68

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Solution

The fourth proportional to 1,384,439.04, 1,909,785.60 and 954,931.68 is: 1,317,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,439.04 : 1,909,785.60 = 954,931.68 : x
  2. Step 2: Convert to fraction form
    1,384,439.04/1,909,785.60 = 954,931.68/x
  3. Step 3: Cross multiply
    1,384,439.04x = 1,909,785.60 × 954,931.68
  4. Step 4: Simplify right side
    1,384,439.04x = 1,823,714,771,447.81
  5. Step 5: Solve for x
    x = 1,823,714,771,447.81/1,384,439.04
  6. Step 6: Final answer
    x = 1,317,295.11

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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.