Home / 954,541.07-1,317,291.62-518,987.72

Finding the Fourth Proportional to 954,541.07, 1,317,291.62 and 518,987.72

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Solution

The fourth proportional to 954,541.07, 1,317,291.62 and 518,987.72 is: 716,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,541.07 : 1,317,291.62 = 518,987.72 : x
  2. Step 2: Convert to fraction form
    954,541.07/1,317,291.62 = 518,987.72/x
  3. Step 3: Cross multiply
    954,541.07x = 1,317,291.62 × 518,987.72
  4. Step 4: Simplify right side
    954,541.07x = 683,658,174,438.91
  5. Step 5: Solve for x
    x = 683,658,174,438.91/954,541.07
  6. Step 6: Final answer
    x = 716,216.62

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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.