Home / 351,036.60-484,334.28-223,607.40

Finding the Fourth Proportional to 351,036.60, 484,334.28 and 223,607.40

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Solution

The fourth proportional to 351,036.60, 484,334.28 and 223,607.40 is: 308,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,036.60 : 484,334.28 = 223,607.40 : x
  2. Step 2: Convert to fraction form
    351,036.60/484,334.28 = 223,607.40/x
  3. Step 3: Cross multiply
    351,036.60x = 484,334.28 × 223,607.40
  4. Step 4: Simplify right side
    351,036.60x = 108,300,729,081.67
  5. Step 5: Solve for x
    x = 108,300,729,081.67/351,036.60
  6. Step 6: Final answer
    x = 308,516.92

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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.