Home / 1,334,928.40-1,842,203.05-723,087.81

Finding the Fourth Proportional to 1,334,928.40, 1,842,203.05 and 723,087.81

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Solution

The fourth proportional to 1,334,928.40, 1,842,203.05 and 723,087.81 is: 997,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,928.40 : 1,842,203.05 = 723,087.81 : x
  2. Step 2: Convert to fraction form
    1,334,928.40/1,842,203.05 = 723,087.81/x
  3. Step 3: Cross multiply
    1,334,928.40x = 1,842,203.05 × 723,087.81
  4. Step 4: Simplify right side
    1,334,928.40x = 1,332,074,567,192.10
  5. Step 5: Solve for x
    x = 1,332,074,567,192.10/1,334,928.40
  6. Step 6: Final answer
    x = 997,862.18

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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.