Home / 854,193.51-1,178,811.65-472,244.90

Finding the Fourth Proportional to 854,193.51, 1,178,811.65 and 472,244.90

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Solution

The fourth proportional to 854,193.51, 1,178,811.65 and 472,244.90 is: 651,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,193.51 : 1,178,811.65 = 472,244.90 : x
  2. Step 2: Convert to fraction form
    854,193.51/1,178,811.65 = 472,244.90/x
  3. Step 3: Cross multiply
    854,193.51x = 1,178,811.65 × 472,244.90
  4. Step 4: Simplify right side
    854,193.51x = 556,687,783,879.03
  5. Step 5: Solve for x
    x = 556,687,783,879.03/854,193.51
  6. Step 6: Final answer
    x = 651,711.56

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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.