Home / 626,419.17-939,322.58-436,970.34

Finding the Fourth Proportional to 626,419.17, 939,322.58 and 436,970.34

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Solution

The fourth proportional to 626,419.17, 939,322.58 and 436,970.34 is: 655,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,419.17 : 939,322.58 = 436,970.34 : x
  2. Step 2: Convert to fraction form
    626,419.17/939,322.58 = 436,970.34/x
  3. Step 3: Cross multiply
    626,419.17x = 939,322.58 × 436,970.34
  4. Step 4: Simplify right side
    626,419.17x = 410,456,104,967.43
  5. Step 5: Solve for x
    x = 410,456,104,967.43/626,419.17
  6. Step 6: Final answer
    x = 655,241.93

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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.