Home / 984,812.05-1,477,347.27-385,695.36

Finding the Fourth Proportional to 984,812.05, 1,477,347.27 and 385,695.36

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Solution

The fourth proportional to 984,812.05, 1,477,347.27 and 385,695.36 is: 578,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,812.05 : 1,477,347.27 = 385,695.36 : x
  2. Step 2: Convert to fraction form
    984,812.05/1,477,347.27 = 385,695.36/x
  3. Step 3: Cross multiply
    984,812.05x = 1,477,347.27 × 385,695.36
  4. Step 4: Simplify right side
    984,812.05x = 569,805,987,147.67
  5. Step 5: Solve for x
    x = 569,805,987,147.67/984,812.05
  6. Step 6: Final answer
    x = 578,593.64

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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.