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Finding the Fourth Proportional to 839,012, 1,158,274.32 and 652,329.52

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Solution

The fourth proportional to 839,012, 1,158,274.32 and 652,329.52 is: 900,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,012 : 1,158,274.32 = 652,329.52 : x
  2. Step 2: Convert to fraction form
    839,012/1,158,274.32 = 652,329.52/x
  3. Step 3: Cross multiply
    839,012x = 1,158,274.32 × 652,329.52
  4. Step 4: Simplify right side
    839,012x = 755,576,531,193.93
  5. Step 5: Solve for x
    x = 755,576,531,193.93/839,012
  6. Step 6: Final answer
    x = 900,555.09

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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.