Home / 984,703.50-1,477,055.70-310,853.07

Finding the Fourth Proportional to 984,703.50, 1,477,055.70 and 310,853.07

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Solution

The fourth proportional to 984,703.50, 1,477,055.70 and 310,853.07 is: 466,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,703.50 : 1,477,055.70 = 310,853.07 : x
  2. Step 2: Convert to fraction form
    984,703.50/1,477,055.70 = 310,853.07/x
  3. Step 3: Cross multiply
    984,703.50x = 1,477,055.70 × 310,853.07
  4. Step 4: Simplify right side
    984,703.50x = 459,147,298,906.00
  5. Step 5: Solve for x
    x = 459,147,298,906.00/984,703.50
  6. Step 6: Final answer
    x = 466,279.75

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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.