Home / 1,556,471.17-2,334,531.70-419,317.39

Finding the Fourth Proportional to 1,556,471.17, 2,334,531.70 and 419,317.39

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Solution

The fourth proportional to 1,556,471.17, 2,334,531.70 and 419,317.39 is: 628,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,471.17 : 2,334,531.70 = 419,317.39 : x
  2. Step 2: Convert to fraction form
    1,556,471.17/2,334,531.70 = 419,317.39/x
  3. Step 3: Cross multiply
    1,556,471.17x = 2,334,531.70 × 419,317.39
  4. Step 4: Simplify right side
    1,556,471.17x = 978,909,725,547.02
  5. Step 5: Solve for x
    x = 978,909,725,547.02/1,556,471.17
  6. Step 6: Final answer
    x = 628,928.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.