Home / 954,353.90-1,317,033.59-518,800.56

Finding the Fourth Proportional to 954,353.90, 1,317,033.59 and 518,800.56

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Solution

The fourth proportional to 954,353.90, 1,317,033.59 and 518,800.56 is: 715,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,353.90 : 1,317,033.59 = 518,800.56 : x
  2. Step 2: Convert to fraction form
    954,353.90/1,317,033.59 = 518,800.56/x
  3. Step 3: Cross multiply
    954,353.90x = 1,317,033.59 × 518,800.56
  4. Step 4: Simplify right side
    954,353.90x = 683,277,761,436.81
  5. Step 5: Solve for x
    x = 683,277,761,436.81/954,353.90
  6. Step 6: Final answer
    x = 715,958.48

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1.5x scale

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.