Home / 941,220.81-1,412,000.71-343,021.64

Finding the Fourth Proportional to 941,220.81, 1,412,000.71 and 343,021.64

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Solution

The fourth proportional to 941,220.81, 1,412,000.71 and 343,021.64 is: 514,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,220.81 : 1,412,000.71 = 343,021.64 : x
  2. Step 2: Convert to fraction form
    941,220.81/1,412,000.71 = 343,021.64/x
  3. Step 3: Cross multiply
    941,220.81x = 1,412,000.71 × 343,021.64
  4. Step 4: Simplify right side
    941,220.81x = 484,346,791,307.81
  5. Step 5: Solve for x
    x = 484,346,791,307.81/941,220.81
  6. Step 6: Final answer
    x = 514,594.22

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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.