Home / 776,572.80-1,071,411.84-633,085.44

Finding the Fourth Proportional to 776,572.80, 1,071,411.84 and 633,085.44

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Solution

The fourth proportional to 776,572.80, 1,071,411.84 and 633,085.44 is: 873,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,572.80 : 1,071,411.84 = 633,085.44 : x
  2. Step 2: Convert to fraction form
    776,572.80/1,071,411.84 = 633,085.44/x
  3. Step 3: Cross multiply
    776,572.80x = 1,071,411.84 × 633,085.44
  4. Step 4: Simplify right side
    776,572.80x = 678,295,236,147.61
  5. Step 5: Solve for x
    x = 678,295,236,147.61/776,572.80
  6. Step 6: Final answer
    x = 873,447.07

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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.