Home / 870,191.68-1,200,936.90-483,043.54

Finding the Fourth Proportional to 870,191.68, 1,200,936.90 and 483,043.54

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Solution

The fourth proportional to 870,191.68, 1,200,936.90 and 483,043.54 is: 666,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,191.68 : 1,200,936.90 = 483,043.54 : x
  2. Step 2: Convert to fraction form
    870,191.68/1,200,936.90 = 483,043.54/x
  3. Step 3: Cross multiply
    870,191.68x = 1,200,936.90 × 483,043.54
  4. Step 4: Simplify right side
    870,191.68x = 580,104,811,492.63
  5. Step 5: Solve for x
    x = 580,104,811,492.63/870,191.68
  6. Step 6: Final answer
    x = 666,640.26

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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.