Home / 761,084.25-1,050,296.27-421,574.37

Finding the Fourth Proportional to 761,084.25, 1,050,296.27 and 421,574.37

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Solution

The fourth proportional to 761,084.25, 1,050,296.27 and 421,574.37 is: 581,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,084.25 : 1,050,296.27 = 421,574.37 : x
  2. Step 2: Convert to fraction form
    761,084.25/1,050,296.27 = 421,574.37/x
  3. Step 3: Cross multiply
    761,084.25x = 1,050,296.27 × 421,574.37
  4. Step 4: Simplify right side
    761,084.25x = 442,777,986,230.73
  5. Step 5: Solve for x
    x = 442,777,986,230.73/761,084.25
  6. Step 6: Final answer
    x = 581,772.63

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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.