Home / 712,054.16-982,626.96-406,122.62

Finding the Fourth Proportional to 712,054.16, 982,626.96 and 406,122.62

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Solution

The fourth proportional to 712,054.16, 982,626.96 and 406,122.62 is: 560,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,054.16 : 982,626.96 = 406,122.62 : x
  2. Step 2: Convert to fraction form
    712,054.16/982,626.96 = 406,122.62/x
  3. Step 3: Cross multiply
    712,054.16x = 982,626.96 × 406,122.62
  4. Step 4: Simplify right side
    712,054.16x = 399,067,035,477.84
  5. Step 5: Solve for x
    x = 399,067,035,477.84/712,054.16
  6. Step 6: Final answer
    x = 560,444.78

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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.