Home / 893,109.03-1,232,485.23-485,207.61

Finding the Fourth Proportional to 893,109.03, 1,232,485.23 and 485,207.61

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Solution

The fourth proportional to 893,109.03, 1,232,485.23 and 485,207.61 is: 669,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,109.03 : 1,232,485.23 = 485,207.61 : x
  2. Step 2: Convert to fraction form
    893,109.03/1,232,485.23 = 485,207.61/x
  3. Step 3: Cross multiply
    893,109.03x = 1,232,485.23 × 485,207.61
  4. Step 4: Simplify right side
    893,109.03x = 598,011,212,808.60
  5. Step 5: Solve for x
    x = 598,011,212,808.60/893,109.03
  6. Step 6: Final answer
    x = 669,583.66

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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.