Home / 854,249.16-1,178,758.26-472,283.40

Finding the Fourth Proportional to 854,249.16, 1,178,758.26 and 472,283.40

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Solution

The fourth proportional to 854,249.16, 1,178,758.26 and 472,283.40 is: 651,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,249.16 : 1,178,758.26 = 472,283.40 : x
  2. Step 2: Convert to fraction form
    854,249.16/1,178,758.26 = 472,283.40/x
  3. Step 3: Cross multiply
    854,249.16x = 1,178,758.26 × 472,283.40
  4. Step 4: Simplify right side
    854,249.16x = 556,707,958,810.88
  5. Step 5: Solve for x
    x = 556,707,958,810.88/854,249.16
  6. Step 6: Final answer
    x = 651,692.72

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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.