Home / 1,015,324.80-1,401,148.12-562,615.80

Finding the Fourth Proportional to 1,015,324.80, 1,401,148.12 and 562,615.80

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Solution

The fourth proportional to 1,015,324.80, 1,401,148.12 and 562,615.80 is: 776,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,324.80 : 1,401,148.12 = 562,615.80 : x
  2. Step 2: Convert to fraction form
    1,015,324.80/1,401,148.12 = 562,615.80/x
  3. Step 3: Cross multiply
    1,015,324.80x = 1,401,148.12 × 562,615.80
  4. Step 4: Simplify right side
    1,015,324.80x = 788,308,070,452.30
  5. Step 5: Solve for x
    x = 788,308,070,452.30/1,015,324.80
  6. Step 6: Final answer
    x = 776,409.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.