Home / 488,764.10-674,460.23-270,970.76

Finding the Fourth Proportional to 488,764.10, 674,460.23 and 270,970.76

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Solution

The fourth proportional to 488,764.10, 674,460.23 and 270,970.76 is: 373,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,764.10 : 674,460.23 = 270,970.76 : x
  2. Step 2: Convert to fraction form
    488,764.10/674,460.23 = 270,970.76/x
  3. Step 3: Cross multiply
    488,764.10x = 674,460.23 × 270,970.76
  4. Step 4: Simplify right side
    488,764.10x = 182,758,996,385.72
  5. Step 5: Solve for x
    x = 182,758,996,385.72/488,764.10
  6. Step 6: Final answer
    x = 373,920.67

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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.