Home / 929,400.72-1,393,538.81-416,972.04

Finding the Fourth Proportional to 929,400.72, 1,393,538.81 and 416,972.04

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Solution

The fourth proportional to 929,400.72, 1,393,538.81 and 416,972.04 is: 625,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,400.72 : 1,393,538.81 = 416,972.04 : x
  2. Step 2: Convert to fraction form
    929,400.72/1,393,538.81 = 416,972.04/x
  3. Step 3: Cross multiply
    929,400.72x = 1,393,538.81 × 416,972.04
  4. Step 4: Simplify right side
    929,400.72x = 581,066,718,340.01
  5. Step 5: Solve for x
    x = 581,066,718,340.01/929,400.72
  6. Step 6: Final answer
    x = 625,205.80

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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.