Home / 827,277.20-1,239,603.60-546,466.40

Finding the Fourth Proportional to 827,277.20, 1,239,603.60 and 546,466.40

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Solution

The fourth proportional to 827,277.20, 1,239,603.60 and 546,466.40 is: 818,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,277.20 : 1,239,603.60 = 546,466.40 : x
  2. Step 2: Convert to fraction form
    827,277.20/1,239,603.60 = 546,466.40/x
  3. Step 3: Cross multiply
    827,277.20x = 1,239,603.60 × 546,466.40
  4. Step 4: Simplify right side
    827,277.20x = 677,401,716,719.04
  5. Step 5: Solve for x
    x = 677,401,716,719.04/827,277.20
  6. Step 6: Final answer
    x = 818,832.81

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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.