Home / 837,638.36-1,156,369.02-646,222.04

Finding the Fourth Proportional to 837,638.36, 1,156,369.02 and 646,222.04

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Solution

The fourth proportional to 837,638.36, 1,156,369.02 and 646,222.04 is: 892,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,638.36 : 1,156,369.02 = 646,222.04 : x
  2. Step 2: Convert to fraction form
    837,638.36/1,156,369.02 = 646,222.04/x
  3. Step 3: Cross multiply
    837,638.36x = 1,156,369.02 × 646,222.04
  4. Step 4: Simplify right side
    837,638.36x = 747,271,147,097.20
  5. Step 5: Solve for x
    x = 747,271,147,097.20/837,638.36
  6. Step 6: Final answer
    x = 892,116.67

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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.