Home / 876,612.97-1,313,923.76-370,858.29

Finding the Fourth Proportional to 876,612.97, 1,313,923.76 and 370,858.29

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Solution

The fourth proportional to 876,612.97, 1,313,923.76 and 370,858.29 is: 555,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,612.97 : 1,313,923.76 = 370,858.29 : x
  2. Step 2: Convert to fraction form
    876,612.97/1,313,923.76 = 370,858.29/x
  3. Step 3: Cross multiply
    876,612.97x = 1,313,923.76 × 370,858.29
  4. Step 4: Simplify right side
    876,612.97x = 487,279,518,823.97
  5. Step 5: Solve for x
    x = 487,279,518,823.97/876,612.97
  6. Step 6: Final answer
    x = 555,866.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.