Home / 966,527.58-1,449,969.71-318,140.40

Finding the Fourth Proportional to 966,527.58, 1,449,969.71 and 318,140.40

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Solution

The fourth proportional to 966,527.58, 1,449,969.71 and 318,140.40 is: 477,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,527.58 : 1,449,969.71 = 318,140.40 : x
  2. Step 2: Convert to fraction form
    966,527.58/1,449,969.71 = 318,140.40/x
  3. Step 3: Cross multiply
    966,527.58x = 1,449,969.71 × 318,140.40
  4. Step 4: Simplify right side
    966,527.58x = 461,293,941,936.58
  5. Step 5: Solve for x
    x = 461,293,941,936.58/966,527.58
  6. Step 6: Final answer
    x = 477,269.30

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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.