Home / 915,397.20-1,263,322.97-507,626.94

Finding the Fourth Proportional to 915,397.20, 1,263,322.97 and 507,626.94

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Solution

The fourth proportional to 915,397.20, 1,263,322.97 and 507,626.94 is: 700,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,397.20 : 1,263,322.97 = 507,626.94 : x
  2. Step 2: Convert to fraction form
    915,397.20/1,263,322.97 = 507,626.94/x
  3. Step 3: Cross multiply
    915,397.20x = 1,263,322.97 × 507,626.94
  4. Step 4: Simplify right side
    915,397.20x = 641,296,764,638.06
  5. Step 5: Solve for x
    x = 641,296,764,638.06/915,397.20
  6. Step 6: Final answer
    x = 700,566.67

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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.