Home / 383,938.74-529,831.83-211,858.26

Finding the Fourth Proportional to 383,938.74, 529,831.83 and 211,858.26

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Solution

The fourth proportional to 383,938.74, 529,831.83 and 211,858.26 is: 292,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,938.74 : 529,831.83 = 211,858.26 : x
  2. Step 2: Convert to fraction form
    383,938.74/529,831.83 = 211,858.26/x
  3. Step 3: Cross multiply
    383,938.74x = 529,831.83 × 211,858.26
  4. Step 4: Simplify right side
    383,938.74x = 112,249,249,596.42
  5. Step 5: Solve for x
    x = 112,249,249,596.42/383,938.74
  6. Step 6: Final answer
    x = 292,362.40

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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.