Home / 790,206.75-1,090,476.09-427,622.22

Finding the Fourth Proportional to 790,206.75, 1,090,476.09 and 427,622.22

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Solution

The fourth proportional to 790,206.75, 1,090,476.09 and 427,622.22 is: 590,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,206.75 : 1,090,476.09 = 427,622.22 : x
  2. Step 2: Convert to fraction form
    790,206.75/1,090,476.09 = 427,622.22/x
  3. Step 3: Cross multiply
    790,206.75x = 1,090,476.09 × 427,622.22
  4. Step 4: Simplify right side
    790,206.75x = 466,311,806,462.72
  5. Step 5: Solve for x
    x = 466,311,806,462.72/790,206.75
  6. Step 6: Final answer
    x = 590,113.67

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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.