Home / 981,995.86-1,355,340.30-614,643.34

Finding the Fourth Proportional to 981,995.86, 1,355,340.30 and 614,643.34

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Solution

The fourth proportional to 981,995.86, 1,355,340.30 and 614,643.34 is: 848,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,995.86 : 1,355,340.30 = 614,643.34 : x
  2. Step 2: Convert to fraction form
    981,995.86/1,355,340.30 = 614,643.34/x
  3. Step 3: Cross multiply
    981,995.86x = 1,355,340.30 × 614,643.34
  4. Step 4: Simplify right side
    981,995.86x = 833,050,888,828.60
  5. Step 5: Solve for x
    x = 833,050,888,828.60/981,995.86
  6. Step 6: Final answer
    x = 848,324.24

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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.