Home / 740,880.42-1,022,414.98-401,348.67

Finding the Fourth Proportional to 740,880.42, 1,022,414.98 and 401,348.67

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Solution

The fourth proportional to 740,880.42, 1,022,414.98 and 401,348.67 is: 553,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,880.42 : 1,022,414.98 = 401,348.67 : x
  2. Step 2: Convert to fraction form
    740,880.42/1,022,414.98 = 401,348.67/x
  3. Step 3: Cross multiply
    740,880.42x = 1,022,414.98 × 401,348.67
  4. Step 4: Simplify right side
    740,880.42x = 410,344,895,206.06
  5. Step 5: Solve for x
    x = 410,344,895,206.06/740,880.42
  6. Step 6: Final answer
    x = 553,861.17

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Double scale
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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.