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Finding the Fourth Proportional to 839,707.56, 1,158,141 and 581,681.88

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Solution

The fourth proportional to 839,707.56, 1,158,141 and 581,681.88 is: 802,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,707.56 : 1,158,141 = 581,681.88 : x
  2. Step 2: Convert to fraction form
    839,707.56/1,158,141 = 581,681.88/x
  3. Step 3: Cross multiply
    839,707.56x = 1,158,141 × 581,681.88
  4. Step 4: Simplify right side
    839,707.56x = 673,669,634,185.08
  5. Step 5: Solve for x
    x = 673,669,634,185.08/839,707.56
  6. Step 6: Final answer
    x = 802,266.96

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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.