Home / 753,702.95-1,040,199.90-431,516.54

Finding the Fourth Proportional to 753,702.95, 1,040,199.90 and 431,516.54

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Solution

The fourth proportional to 753,702.95, 1,040,199.90 and 431,516.54 is: 595,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,702.95 : 1,040,199.90 = 431,516.54 : x
  2. Step 2: Convert to fraction form
    753,702.95/1,040,199.90 = 431,516.54/x
  3. Step 3: Cross multiply
    753,702.95x = 1,040,199.90 × 431,516.54
  4. Step 4: Simplify right side
    753,702.95x = 448,863,461,756.35
  5. Step 5: Solve for x
    x = 448,863,461,756.35/753,702.95
  6. Step 6: Final answer
    x = 595,544.25

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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.