Home / 446,317.64-616,338.71-310,722.36

Finding the Fourth Proportional to 446,317.64, 616,338.71 and 310,722.36

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Solution

The fourth proportional to 446,317.64, 616,338.71 and 310,722.36 is: 429,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,317.64 : 616,338.71 = 310,722.36 : x
  2. Step 2: Convert to fraction form
    446,317.64/616,338.71 = 310,722.36/x
  3. Step 3: Cross multiply
    446,317.64x = 616,338.71 × 310,722.36
  4. Step 4: Simplify right side
    446,317.64x = 191,510,216,976.94
  5. Step 5: Solve for x
    x = 191,510,216,976.94/446,317.64
  6. Step 6: Final answer
    x = 429,089.51

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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.