Home / 941,811.12-1,412,684.94-409,332.24

Finding the Fourth Proportional to 941,811.12, 1,412,684.94 and 409,332.24

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Solution

The fourth proportional to 941,811.12, 1,412,684.94 and 409,332.24 is: 613,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,811.12 : 1,412,684.94 = 409,332.24 : x
  2. Step 2: Convert to fraction form
    941,811.12/1,412,684.94 = 409,332.24/x
  3. Step 3: Cross multiply
    941,811.12x = 1,412,684.94 × 409,332.24
  4. Step 4: Simplify right side
    941,811.12x = 578,257,490,904.47
  5. Step 5: Solve for x
    x = 578,257,490,904.47/941,811.12
  6. Step 6: Final answer
    x = 613,984.57

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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.