Home / 807,125.80-1,210,170.30-333,999.40

Finding the Fourth Proportional to 807,125.80, 1,210,170.30 and 333,999.40

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Solution

The fourth proportional to 807,125.80, 1,210,170.30 and 333,999.40 is: 500,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,125.80 : 1,210,170.30 = 333,999.40 : x
  2. Step 2: Convert to fraction form
    807,125.80/1,210,170.30 = 333,999.40/x
  3. Step 3: Cross multiply
    807,125.80x = 1,210,170.30 × 333,999.40
  4. Step 4: Simplify right side
    807,125.80x = 404,196,154,097.82
  5. Step 5: Solve for x
    x = 404,196,154,097.82/807,125.80
  6. Step 6: Final answer
    x = 500,784.58

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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.