Home / 854,097.09-1,178,607.96-472,101.09

Finding the Fourth Proportional to 854,097.09, 1,178,607.96 and 472,101.09

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Solution

The fourth proportional to 854,097.09, 1,178,607.96 and 472,101.09 is: 651,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,097.09 : 1,178,607.96 = 472,101.09 : x
  2. Step 2: Convert to fraction form
    854,097.09/1,178,607.96 = 472,101.09/x
  3. Step 3: Cross multiply
    854,097.09x = 1,178,607.96 × 472,101.09
  4. Step 4: Simplify right side
    854,097.09x = 556,422,102,598.68
  5. Step 5: Solve for x
    x = 556,422,102,598.68/854,097.09
  6. Step 6: Final answer
    x = 651,474.06

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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.