Home / 719,083.48-992,395.78-417,258.04

Finding the Fourth Proportional to 719,083.48, 992,395.78 and 417,258.04

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Solution

The fourth proportional to 719,083.48, 992,395.78 and 417,258.04 is: 575,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,083.48 : 992,395.78 = 417,258.04 : x
  2. Step 2: Convert to fraction form
    719,083.48/992,395.78 = 417,258.04/x
  3. Step 3: Cross multiply
    719,083.48x = 992,395.78 × 417,258.04
  4. Step 4: Simplify right side
    719,083.48x = 414,085,118,067.07
  5. Step 5: Solve for x
    x = 414,085,118,067.07/719,083.48
  6. Step 6: Final answer
    x = 575,851.25

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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.