Home / 1,114,416.88-1,537,939.39-624,390.63

Finding the Fourth Proportional to 1,114,416.88, 1,537,939.39 and 624,390.63

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Solution

The fourth proportional to 1,114,416.88, 1,537,939.39 and 624,390.63 is: 861,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,416.88 : 1,537,939.39 = 624,390.63 : x
  2. Step 2: Convert to fraction form
    1,114,416.88/1,537,939.39 = 624,390.63/x
  3. Step 3: Cross multiply
    1,114,416.88x = 1,537,939.39 × 624,390.63
  4. Step 4: Simplify right side
    1,114,416.88x = 960,274,936,934.22
  5. Step 5: Solve for x
    x = 960,274,936,934.22/1,114,416.88
  6. Step 6: Final answer
    x = 861,683.77

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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.