Home / 954,172.53-1,316,768.13-518,589.81

Finding the Fourth Proportional to 954,172.53, 1,316,768.13 and 518,589.81

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Solution

The fourth proportional to 954,172.53, 1,316,768.13 and 518,589.81 is: 715,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,172.53 : 1,316,768.13 = 518,589.81 : x
  2. Step 2: Convert to fraction form
    954,172.53/1,316,768.13 = 518,589.81/x
  3. Step 3: Cross multiply
    954,172.53x = 1,316,768.13 × 518,589.81
  4. Step 4: Simplify right side
    954,172.53x = 682,862,534,350.76
  5. Step 5: Solve for x
    x = 682,862,534,350.76/954,172.53
  6. Step 6: Final answer
    x = 715,659.39

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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.