Home / 855,735.12-1,180,867.44-468,475.52

Finding the Fourth Proportional to 855,735.12, 1,180,867.44 and 468,475.52

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Solution

The fourth proportional to 855,735.12, 1,180,867.44 and 468,475.52 is: 646,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,735.12 : 1,180,867.44 = 468,475.52 : x
  2. Step 2: Convert to fraction form
    855,735.12/1,180,867.44 = 468,475.52/x
  3. Step 3: Cross multiply
    855,735.12x = 1,180,867.44 × 468,475.52
  4. Step 4: Simplify right side
    855,735.12x = 553,207,488,005.07
  5. Step 5: Solve for x
    x = 553,207,488,005.07/855,735.12
  6. Step 6: Final answer
    x = 646,470.47

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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.