Home / 1,015,441.21-1,401,324.20-556,552.11

Finding the Fourth Proportional to 1,015,441.21, 1,401,324.20 and 556,552.11

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Solution

The fourth proportional to 1,015,441.21, 1,401,324.20 and 556,552.11 is: 768,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,441.21 : 1,401,324.20 = 556,552.11 : x
  2. Step 2: Convert to fraction form
    1,015,441.21/1,401,324.20 = 556,552.11/x
  3. Step 3: Cross multiply
    1,015,441.21x = 1,401,324.20 × 556,552.11
  4. Step 4: Simplify right side
    1,015,441.21x = 779,909,944,863.34
  5. Step 5: Solve for x
    x = 779,909,944,863.34/1,015,441.21
  6. Step 6: Final answer
    x = 768,050.32

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Double scale
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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.