Home / 946,631.72-1,306,404.90-516,951.80

Finding the Fourth Proportional to 946,631.72, 1,306,404.90 and 516,951.80

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Solution

The fourth proportional to 946,631.72, 1,306,404.90 and 516,951.80 is: 713,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,631.72 : 1,306,404.90 = 516,951.80 : x
  2. Step 2: Convert to fraction form
    946,631.72/1,306,404.90 = 516,951.80/x
  3. Step 3: Cross multiply
    946,631.72x = 1,306,404.90 × 516,951.80
  4. Step 4: Simplify right side
    946,631.72x = 675,348,364,583.82
  5. Step 5: Solve for x
    x = 675,348,364,583.82/946,631.72
  6. Step 6: Final answer
    x = 713,422.50

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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.