Home / 1,360,113.70-2,040,247.35-413,515.30

Finding the Fourth Proportional to 1,360,113.70, 2,040,247.35 and 413,515.30

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Solution

The fourth proportional to 1,360,113.70, 2,040,247.35 and 413,515.30 is: 620,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,113.70 : 2,040,247.35 = 413,515.30 : x
  2. Step 2: Convert to fraction form
    1,360,113.70/2,040,247.35 = 413,515.30/x
  3. Step 3: Cross multiply
    1,360,113.70x = 2,040,247.35 × 413,515.30
  4. Step 4: Simplify right side
    1,360,113.70x = 843,673,495,009.46
  5. Step 5: Solve for x
    x = 843,673,495,009.46/1,360,113.70
  6. Step 6: Final answer
    x = 620,296.30

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Double scale
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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.