Home / 854,255.17-1,178,896.71-472,306.51

Finding the Fourth Proportional to 854,255.17, 1,178,896.71 and 472,306.51

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Solution

The fourth proportional to 854,255.17, 1,178,896.71 and 472,306.51 is: 651,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,255.17 : 1,178,896.71 = 472,306.51 : x
  2. Step 2: Convert to fraction form
    854,255.17/1,178,896.71 = 472,306.51/x
  3. Step 3: Cross multiply
    854,255.17x = 1,178,896.71 × 472,306.51
  4. Step 4: Simplify right side
    854,255.17x = 556,800,590,750.58
  5. Step 5: Solve for x
    x = 556,800,590,750.58/854,255.17
  6. Step 6: Final answer
    x = 651,796.57

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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.