Home / 1,325,887.48-1,988,831.40-472,924.64

Finding the Fourth Proportional to 1,325,887.48, 1,988,831.40 and 472,924.64

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Solution

The fourth proportional to 1,325,887.48, 1,988,831.40 and 472,924.64 is: 709,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,887.48 : 1,988,831.40 = 472,924.64 : x
  2. Step 2: Convert to fraction form
    1,325,887.48/1,988,831.40 = 472,924.64/x
  3. Step 3: Cross multiply
    1,325,887.48x = 1,988,831.40 × 472,924.64
  4. Step 4: Simplify right side
    1,325,887.48x = 940,567,373,865.70
  5. Step 5: Solve for x
    x = 940,567,373,865.70/1,325,887.48
  6. Step 6: Final answer
    x = 709,387.02

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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.