Home / 855,852.70-1,181,076.72-473,879.48

Finding the Fourth Proportional to 855,852.70, 1,181,076.72 and 473,879.48

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Solution

The fourth proportional to 855,852.70, 1,181,076.72 and 473,879.48 is: 653,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,852.70 : 1,181,076.72 = 473,879.48 : x
  2. Step 2: Convert to fraction form
    855,852.70/1,181,076.72 = 473,879.48/x
  3. Step 3: Cross multiply
    855,852.70x = 1,181,076.72 × 473,879.48
  4. Step 4: Simplify right side
    855,852.70x = 559,688,021,913.71
  5. Step 5: Solve for x
    x = 559,688,021,913.71/855,852.70
  6. Step 6: Final answer
    x = 653,953.68

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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.