Home / 854,775.69-1,179,619.59-487,307.18

Finding the Fourth Proportional to 854,775.69, 1,179,619.59 and 487,307.18

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Solution

The fourth proportional to 854,775.69, 1,179,619.59 and 487,307.18 is: 672,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,775.69 : 1,179,619.59 = 487,307.18 : x
  2. Step 2: Convert to fraction form
    854,775.69/1,179,619.59 = 487,307.18/x
  3. Step 3: Cross multiply
    854,775.69x = 1,179,619.59 × 487,307.18
  4. Step 4: Simplify right side
    854,775.69x = 574,837,089,977.56
  5. Step 5: Solve for x
    x = 574,837,089,977.56/854,775.69
  6. Step 6: Final answer
    x = 672,500.51

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Double scale
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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.