Home / 1,021,512.42-1,409,632.74-585,907.38

Finding the Fourth Proportional to 1,021,512.42, 1,409,632.74 and 585,907.38

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Solution

The fourth proportional to 1,021,512.42, 1,409,632.74 and 585,907.38 is: 808,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,512.42 : 1,409,632.74 = 585,907.38 : x
  2. Step 2: Convert to fraction form
    1,021,512.42/1,409,632.74 = 585,907.38/x
  3. Step 3: Cross multiply
    1,021,512.42x = 1,409,632.74 × 585,907.38
  4. Step 4: Simplify right side
    1,021,512.42x = 825,914,225,455.62
  5. Step 5: Solve for x
    x = 825,914,225,455.62/1,021,512.42
  6. Step 6: Final answer
    x = 808,520.98

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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.