Home / 621,045.60-931,568.40-516,069.60

Finding the Fourth Proportional to 621,045.60, 931,568.40 and 516,069.60

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Solution

The fourth proportional to 621,045.60, 931,568.40 and 516,069.60 is: 774,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,045.60 : 931,568.40 = 516,069.60 : x
  2. Step 2: Convert to fraction form
    621,045.60/931,568.40 = 516,069.60/x
  3. Step 3: Cross multiply
    621,045.60x = 931,568.40 × 516,069.60
  4. Step 4: Simplify right side
    621,045.60x = 480,754,131,560.64
  5. Step 5: Solve for x
    x = 480,754,131,560.64/621,045.60
  6. Step 6: Final answer
    x = 774,104.40

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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.