Home / 916,554.76-1,374,504.09-317,355.04

Finding the Fourth Proportional to 916,554.76, 1,374,504.09 and 317,355.04

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Solution

The fourth proportional to 916,554.76, 1,374,504.09 and 317,355.04 is: 475,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,554.76 : 1,374,504.09 = 317,355.04 : x
  2. Step 2: Convert to fraction form
    916,554.76/1,374,504.09 = 317,355.04/x
  3. Step 3: Cross multiply
    916,554.76x = 1,374,504.09 × 317,355.04
  4. Step 4: Simplify right side
    916,554.76x = 436,205,800,462.11
  5. Step 5: Solve for x
    x = 436,205,800,462.11/916,554.76
  6. Step 6: Final answer
    x = 475,918.97

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1.5x scale

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.