Home / 622,429.20-931,570.20-547,779.60

Finding the Fourth Proportional to 622,429.20, 931,570.20 and 547,779.60

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Solution

The fourth proportional to 622,429.20, 931,570.20 and 547,779.60 is: 819,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,429.20 : 931,570.20 = 547,779.60 : x
  2. Step 2: Convert to fraction form
    622,429.20/931,570.20 = 547,779.60/x
  3. Step 3: Cross multiply
    622,429.20x = 931,570.20 × 547,779.60
  4. Step 4: Simplify right side
    622,429.20x = 510,295,151,527.92
  5. Step 5: Solve for x
    x = 510,295,151,527.92/622,429.20
  6. Step 6: Final answer
    x = 819,844.49

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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.