Home / 941,959.40-1,412,501.70-409,206.20

Finding the Fourth Proportional to 941,959.40, 1,412,501.70 and 409,206.20

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Solution

The fourth proportional to 941,959.40, 1,412,501.70 and 409,206.20 is: 613,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,959.40 : 1,412,501.70 = 409,206.20 : x
  2. Step 2: Convert to fraction form
    941,959.40/1,412,501.70 = 409,206.20/x
  3. Step 3: Cross multiply
    941,959.40x = 1,412,501.70 × 409,206.20
  4. Step 4: Simplify right side
    941,959.40x = 578,004,453,150.54
  5. Step 5: Solve for x
    x = 578,004,453,150.54/941,959.40
  6. Step 6: Final answer
    x = 613,619.28

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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.