Home / 931,785.18-1,397,673.93-266,937.18

Finding the Fourth Proportional to 931,785.18, 1,397,673.93 and 266,937.18

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Solution

The fourth proportional to 931,785.18, 1,397,673.93 and 266,937.18 is: 400,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,785.18 : 1,397,673.93 = 266,937.18 : x
  2. Step 2: Convert to fraction form
    931,785.18/1,397,673.93 = 266,937.18/x
  3. Step 3: Cross multiply
    931,785.18x = 1,397,673.93 × 266,937.18
  4. Step 4: Simplify right side
    931,785.18x = 373,091,137,433.72
  5. Step 5: Solve for x
    x = 373,091,137,433.72/931,785.18
  6. Step 6: Final answer
    x = 400,404.67

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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.