Home / 854,165.50-1,178,646.06-472,140.34

Finding the Fourth Proportional to 854,165.50, 1,178,646.06 and 472,140.34

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Solution

The fourth proportional to 854,165.50, 1,178,646.06 and 472,140.34 is: 651,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,165.50 : 1,178,646.06 = 472,140.34 : x
  2. Step 2: Convert to fraction form
    854,165.50/1,178,646.06 = 472,140.34/x
  3. Step 3: Cross multiply
    854,165.50x = 1,178,646.06 × 472,140.34
  4. Step 4: Simplify right side
    854,165.50x = 556,486,351,508.06
  5. Step 5: Solve for x
    x = 556,486,351,508.06/854,165.50
  6. Step 6: Final answer
    x = 651,497.11

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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.