Home / 854,347.83-1,179,023.63-472,388.28

Finding the Fourth Proportional to 854,347.83, 1,179,023.63 and 472,388.28

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Solution

The fourth proportional to 854,347.83, 1,179,023.63 and 472,388.28 is: 651,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,347.83 : 1,179,023.63 = 472,388.28 : x
  2. Step 2: Convert to fraction form
    854,347.83/1,179,023.63 = 472,388.28/x
  3. Step 3: Cross multiply
    854,347.83x = 1,179,023.63 × 472,388.28
  4. Step 4: Simplify right side
    854,347.83x = 556,956,942,293.12
  5. Step 5: Solve for x
    x = 556,956,942,293.12/854,347.83
  6. Step 6: Final answer
    x = 651,908.89

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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.