Home / 854,194.39-1,178,812.86-472,245.77

Finding the Fourth Proportional to 854,194.39, 1,178,812.86 and 472,245.77

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Solution

The fourth proportional to 854,194.39, 1,178,812.86 and 472,245.77 is: 651,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,194.39 : 1,178,812.86 = 472,245.77 : x
  2. Step 2: Convert to fraction form
    854,194.39/1,178,812.86 = 472,245.77/x
  3. Step 3: Cross multiply
    854,194.39x = 1,178,812.86 × 472,245.77
  4. Step 4: Simplify right side
    854,194.39x = 556,689,386,756.60
  5. Step 5: Solve for x
    x = 556,689,386,756.60/854,194.39
  6. Step 6: Final answer
    x = 651,712.76

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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.