Home / 1,334,475.54-1,842,025.32-811,184.22

Finding the Fourth Proportional to 1,334,475.54, 1,842,025.32 and 811,184.22

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Solution

The fourth proportional to 1,334,475.54, 1,842,025.32 and 811,184.22 is: 1,119,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,475.54 : 1,842,025.32 = 811,184.22 : x
  2. Step 2: Convert to fraction form
    1,334,475.54/1,842,025.32 = 811,184.22/x
  3. Step 3: Cross multiply
    1,334,475.54x = 1,842,025.32 × 811,184.22
  4. Step 4: Simplify right side
    1,334,475.54x = 1,494,221,872,424.45
  5. Step 5: Solve for x
    x = 1,494,221,872,424.45/1,334,475.54
  6. Step 6: Final answer
    x = 1,119,707.20

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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.