Home / 810,029.53-1,117,003.48-695,686.78

Finding the Fourth Proportional to 810,029.53, 1,117,003.48 and 695,686.78

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Solution

The fourth proportional to 810,029.53, 1,117,003.48 and 695,686.78 is: 959,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,029.53 : 1,117,003.48 = 695,686.78 : x
  2. Step 2: Convert to fraction form
    810,029.53/1,117,003.48 = 695,686.78/x
  3. Step 3: Cross multiply
    810,029.53x = 1,117,003.48 × 695,686.78
  4. Step 4: Simplify right side
    810,029.53x = 777,084,554,249.99
  5. Step 5: Solve for x
    x = 777,084,554,249.99/810,029.53
  6. Step 6: Final answer
    x = 959,328.67

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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.