Home / 526,831.48-727,028.36-285,114.25

Finding the Fourth Proportional to 526,831.48, 727,028.36 and 285,114.25

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Solution

The fourth proportional to 526,831.48, 727,028.36 and 285,114.25 is: 393,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,831.48 : 727,028.36 = 285,114.25 : x
  2. Step 2: Convert to fraction form
    526,831.48/727,028.36 = 285,114.25/x
  3. Step 3: Cross multiply
    526,831.48x = 727,028.36 × 285,114.25
  4. Step 4: Simplify right side
    526,831.48x = 207,286,145,590.13
  5. Step 5: Solve for x
    x = 207,286,145,590.13/526,831.48
  6. Step 6: Final answer
    x = 393,458.16

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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.