Home / 831,583.51-1,147,583.07-464,056.80

Finding the Fourth Proportional to 831,583.51, 1,147,583.07 and 464,056.80

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Solution

The fourth proportional to 831,583.51, 1,147,583.07 and 464,056.80 is: 640,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,583.51 : 1,147,583.07 = 464,056.80 : x
  2. Step 2: Convert to fraction form
    831,583.51/1,147,583.07 = 464,056.80/x
  3. Step 3: Cross multiply
    831,583.51x = 1,147,583.07 × 464,056.80
  4. Step 4: Simplify right side
    831,583.51x = 532,543,727,198.38
  5. Step 5: Solve for x
    x = 532,543,727,198.38/831,583.51
  6. Step 6: Final answer
    x = 640,397.17

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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.