Home / 814,390.77-1,123,858.83-446,870.32

Finding the Fourth Proportional to 814,390.77, 1,123,858.83 and 446,870.32

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Solution

The fourth proportional to 814,390.77, 1,123,858.83 and 446,870.32 is: 616,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,390.77 : 1,123,858.83 = 446,870.32 : x
  2. Step 2: Convert to fraction form
    814,390.77/1,123,858.83 = 446,870.32/x
  3. Step 3: Cross multiply
    814,390.77x = 1,123,858.83 × 446,870.32
  4. Step 4: Simplify right side
    814,390.77x = 502,219,153,863.04
  5. Step 5: Solve for x
    x = 502,219,153,863.04/814,390.77
  6. Step 6: Final answer
    x = 616,680.80

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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.