Home / 448,831.60-619,442.48-257,844.64

Finding the Fourth Proportional to 448,831.60, 619,442.48 and 257,844.64

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Solution

The fourth proportional to 448,831.60, 619,442.48 and 257,844.64 is: 355,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,831.60 : 619,442.48 = 257,844.64 : x
  2. Step 2: Convert to fraction form
    448,831.60/619,442.48 = 257,844.64/x
  3. Step 3: Cross multiply
    448,831.60x = 619,442.48 × 257,844.64
  4. Step 4: Simplify right side
    448,831.60x = 159,719,923,256.31
  5. Step 5: Solve for x
    x = 159,719,923,256.31/448,831.60
  6. Step 6: Final answer
    x = 355,857.13

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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.