Home / 916,498.14-1,374,419.15-317,298.41

Finding the Fourth Proportional to 916,498.14, 1,374,419.15 and 317,298.41

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Solution

The fourth proportional to 916,498.14, 1,374,419.15 and 317,298.41 is: 475,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,498.14 : 1,374,419.15 = 317,298.41 : x
  2. Step 2: Convert to fraction form
    916,498.14/1,374,419.15 = 317,298.41/x
  3. Step 3: Cross multiply
    916,498.14x = 1,374,419.15 × 317,298.41
  4. Step 4: Simplify right side
    916,498.14x = 436,101,010,968.55
  5. Step 5: Solve for x
    x = 436,101,010,968.55/916,498.14
  6. Step 6: Final answer
    x = 475,834.04

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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.