Home / 839,933.16-1,159,065.90-477,309.12

Finding the Fourth Proportional to 839,933.16, 1,159,065.90 and 477,309.12

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Solution

The fourth proportional to 839,933.16, 1,159,065.90 and 477,309.12 is: 658,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,933.16 : 1,159,065.90 = 477,309.12 : x
  2. Step 2: Convert to fraction form
    839,933.16/1,159,065.90 = 477,309.12/x
  3. Step 3: Cross multiply
    839,933.16x = 1,159,065.90 × 477,309.12
  4. Step 4: Simplify right side
    839,933.16x = 553,232,724,751.01
  5. Step 5: Solve for x
    x = 553,232,724,751.01/839,933.16
  6. Step 6: Final answer
    x = 658,662.80

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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.