Home / 954,403.82-1,430,555.80-393,132.14

Finding the Fourth Proportional to 954,403.82, 1,430,555.80 and 393,132.14

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Solution

The fourth proportional to 954,403.82, 1,430,555.80 and 393,132.14 is: 589,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,403.82 : 1,430,555.80 = 393,132.14 : x
  2. Step 2: Convert to fraction form
    954,403.82/1,430,555.80 = 393,132.14/x
  3. Step 3: Cross multiply
    954,403.82x = 1,430,555.80 × 393,132.14
  4. Step 4: Simplify right side
    954,403.82x = 562,397,463,043.41
  5. Step 5: Solve for x
    x = 562,397,463,043.41/954,403.82
  6. Step 6: Final answer
    x = 589,265.73

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1.5x scale

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.