Home / 381,341.16-526,283.48-209,292.37

Finding the Fourth Proportional to 381,341.16, 526,283.48 and 209,292.37

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Solution

The fourth proportional to 381,341.16, 526,283.48 and 209,292.37 is: 288,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,341.16 : 526,283.48 = 209,292.37 : x
  2. Step 2: Convert to fraction form
    381,341.16/526,283.48 = 209,292.37/x
  3. Step 3: Cross multiply
    381,341.16x = 526,283.48 × 209,292.37
  4. Step 4: Simplify right side
    381,341.16x = 110,147,116,028.57
  5. Step 5: Solve for x
    x = 110,147,116,028.57/381,341.16
  6. Step 6: Final answer
    x = 288,841.40

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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.