Home / 741,384.84-1,023,109.92-401,853.18

Finding the Fourth Proportional to 741,384.84, 1,023,109.92 and 401,853.18

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Solution

The fourth proportional to 741,384.84, 1,023,109.92 and 401,853.18 is: 554,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,384.84 : 1,023,109.92 = 401,853.18 : x
  2. Step 2: Convert to fraction form
    741,384.84/1,023,109.92 = 401,853.18/x
  3. Step 3: Cross multiply
    741,384.84x = 1,023,109.92 × 401,853.18
  4. Step 4: Simplify right side
    741,384.84x = 411,139,974,841.55
  5. Step 5: Solve for x
    x = 411,139,974,841.55/741,384.84
  6. Step 6: Final answer
    x = 554,556.76

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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.