Home / 985,570.19-1,478,515.22-386,206.44

Finding the Fourth Proportional to 985,570.19, 1,478,515.22 and 386,206.44

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Solution

The fourth proportional to 985,570.19, 1,478,515.22 and 386,206.44 is: 579,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,570.19 : 1,478,515.22 = 386,206.44 : x
  2. Step 2: Convert to fraction form
    985,570.19/1,478,515.22 = 386,206.44/x
  3. Step 3: Cross multiply
    985,570.19x = 1,478,515.22 × 386,206.44
  4. Step 4: Simplify right side
    985,570.19x = 571,012,099,602.02
  5. Step 5: Solve for x
    x = 571,012,099,602.02/985,570.19
  6. Step 6: Final answer
    x = 579,372.33

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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.