Home / 1,535,496.89-2,118,993.13-847,168.70

Finding the Fourth Proportional to 1,535,496.89, 2,118,993.13 and 847,168.70

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Solution

The fourth proportional to 1,535,496.89, 2,118,993.13 and 847,168.70 is: 1,169,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,496.89 : 2,118,993.13 = 847,168.70 : x
  2. Step 2: Convert to fraction form
    1,535,496.89/2,118,993.13 = 847,168.70/x
  3. Step 3: Cross multiply
    1,535,496.89x = 2,118,993.13 × 847,168.70
  4. Step 4: Simplify right side
    1,535,496.89x = 1,795,144,647,835.63
  5. Step 5: Solve for x
    x = 1,795,144,647,835.63/1,535,496.89
  6. Step 6: Final answer
    x = 1,169,096.90

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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.