Home / 316,623.40-475,626.30-223,311.40

Finding the Fourth Proportional to 316,623.40, 475,626.30 and 223,311.40

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Solution

The fourth proportional to 316,623.40, 475,626.30 and 223,311.40 is: 335,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,623.40 : 475,626.30 = 223,311.40 : x
  2. Step 2: Convert to fraction form
    316,623.40/475,626.30 = 223,311.40/x
  3. Step 3: Cross multiply
    316,623.40x = 475,626.30 × 223,311.40
  4. Step 4: Simplify right side
    316,623.40x = 106,212,774,929.82
  5. Step 5: Solve for x
    x = 106,212,774,929.82/316,623.40
  6. Step 6: Final answer
    x = 335,454.60

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1.5x scale

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.