Home / 913,150.80-1,369,726.20-629,715.60

Finding the Fourth Proportional to 913,150.80, 1,369,726.20 and 629,715.60

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Solution

The fourth proportional to 913,150.80, 1,369,726.20 and 629,715.60 is: 944,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,150.80 : 1,369,726.20 = 629,715.60 : x
  2. Step 2: Convert to fraction form
    913,150.80/1,369,726.20 = 629,715.60/x
  3. Step 3: Cross multiply
    913,150.80x = 1,369,726.20 × 629,715.60
  4. Step 4: Simplify right side
    913,150.80x = 862,537,955,868.72
  5. Step 5: Solve for x
    x = 862,537,955,868.72/913,150.80
  6. Step 6: Final answer
    x = 944,573.40

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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.