Home / 1,048,642.80-1,571,927.40-416,713.20

Finding the Fourth Proportional to 1,048,642.80, 1,571,927.40 and 416,713.20

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Solution

The fourth proportional to 1,048,642.80, 1,571,927.40 and 416,713.20 is: 624,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,642.80 : 1,571,927.40 = 416,713.20 : x
  2. Step 2: Convert to fraction form
    1,048,642.80/1,571,927.40 = 416,713.20/x
  3. Step 3: Cross multiply
    1,048,642.80x = 1,571,927.40 × 416,713.20
  4. Step 4: Simplify right side
    1,048,642.80x = 655,042,897,021.68
  5. Step 5: Solve for x
    x = 655,042,897,021.68/1,048,642.80
  6. Step 6: Final answer
    x = 624,657.79

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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.