Home / 854,069.66-1,178,616.40-466,886.78

Finding the Fourth Proportional to 854,069.66, 1,178,616.40 and 466,886.78

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Solution

The fourth proportional to 854,069.66, 1,178,616.40 and 466,886.78 is: 644,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,069.66 : 1,178,616.40 = 466,886.78 : x
  2. Step 2: Convert to fraction form
    854,069.66/1,178,616.40 = 466,886.78/x
  3. Step 3: Cross multiply
    854,069.66x = 1,178,616.40 × 466,886.78
  4. Step 4: Simplify right side
    854,069.66x = 550,280,415,851.19
  5. Step 5: Solve for x
    x = 550,280,415,851.19/854,069.66
  6. Step 6: Final answer
    x = 644,303.90

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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.