Home / 936,724-1,292,326.32-614,611.84

Finding the Fourth Proportional to 936,724, 1,292,326.32 and 614,611.84

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Solution

The fourth proportional to 936,724, 1,292,326.32 and 614,611.84 is: 847,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,724 : 1,292,326.32 = 614,611.84 : x
  2. Step 2: Convert to fraction form
    936,724/1,292,326.32 = 614,611.84/x
  3. Step 3: Cross multiply
    936,724x = 1,292,326.32 × 614,611.84
  4. Step 4: Simplify right side
    936,724x = 794,279,057,415.63
  5. Step 5: Solve for x
    x = 794,279,057,415.63/936,724
  6. Step 6: Final answer
    x = 847,932.86

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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.