Home / 958,299.99-1,322,430.81-528,570.90

Finding the Fourth Proportional to 958,299.99, 1,322,430.81 and 528,570.90

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Solution

The fourth proportional to 958,299.99, 1,322,430.81 and 528,570.90 is: 729,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,299.99 : 1,322,430.81 = 528,570.90 : x
  2. Step 2: Convert to fraction form
    958,299.99/1,322,430.81 = 528,570.90/x
  3. Step 3: Cross multiply
    958,299.99x = 1,322,430.81 × 528,570.90
  4. Step 4: Simplify right side
    958,299.99x = 698,998,443,429.43
  5. Step 5: Solve for x
    x = 698,998,443,429.43/958,299.99
  6. Step 6: Final answer
    x = 729,415.06

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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.