Home / 810,165.36-1,117,994.15-465,975.30

Finding the Fourth Proportional to 810,165.36, 1,117,994.15 and 465,975.30

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Solution

The fourth proportional to 810,165.36, 1,117,994.15 and 465,975.30 is: 643,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,165.36 : 1,117,994.15 = 465,975.30 : x
  2. Step 2: Convert to fraction form
    810,165.36/1,117,994.15 = 465,975.30/x
  3. Step 3: Cross multiply
    810,165.36x = 1,117,994.15 × 465,975.30
  4. Step 4: Simplify right side
    810,165.36x = 520,957,659,444.50
  5. Step 5: Solve for x
    x = 520,957,659,444.50/810,165.36
  6. Step 6: Final answer
    x = 643,026.33

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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.