Home / 624,933.40-862,425.80-353,012.75

Finding the Fourth Proportional to 624,933.40, 862,425.80 and 353,012.75

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Solution

The fourth proportional to 624,933.40, 862,425.80 and 353,012.75 is: 487,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,933.40 : 862,425.80 = 353,012.75 : x
  2. Step 2: Convert to fraction form
    624,933.40/862,425.80 = 353,012.75/x
  3. Step 3: Cross multiply
    624,933.40x = 862,425.80 × 353,012.75
  4. Step 4: Simplify right side
    624,933.40x = 304,447,303,328.95
  5. Step 5: Solve for x
    x = 304,447,303,328.95/624,933.40
  6. Step 6: Final answer
    x = 487,167.60

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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.