Home / 823,899.77-1,235,853.77-291,421.29

Finding the Fourth Proportional to 823,899.77, 1,235,853.77 and 291,421.29

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Solution

The fourth proportional to 823,899.77, 1,235,853.77 and 291,421.29 is: 437,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,899.77 : 1,235,853.77 = 291,421.29 : x
  2. Step 2: Convert to fraction form
    823,899.77/1,235,853.77 = 291,421.29/x
  3. Step 3: Cross multiply
    823,899.77x = 1,235,853.77 × 291,421.29
  4. Step 4: Simplify right side
    823,899.77x = 360,154,099,904.76
  5. Step 5: Solve for x
    x = 360,154,099,904.76/823,899.77
  6. Step 6: Final answer
    x = 437,133.39

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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.