Home / 819,333.36-1,130,622.30-456,741.18

Finding the Fourth Proportional to 819,333.36, 1,130,622.30 and 456,741.18

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Solution

The fourth proportional to 819,333.36, 1,130,622.30 and 456,741.18 is: 630,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,333.36 : 1,130,622.30 = 456,741.18 : x
  2. Step 2: Convert to fraction form
    819,333.36/1,130,622.30 = 456,741.18/x
  3. Step 3: Cross multiply
    819,333.36x = 1,130,622.30 × 456,741.18
  4. Step 4: Simplify right side
    819,333.36x = 516,401,763,436.31
  5. Step 5: Solve for x
    x = 516,401,763,436.31/819,333.36
  6. Step 6: Final answer
    x = 630,270.64

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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.