Home / 813,741.57-1,122,904.43-446,159.85

Finding the Fourth Proportional to 813,741.57, 1,122,904.43 and 446,159.85

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Solution

The fourth proportional to 813,741.57, 1,122,904.43 and 446,159.85 is: 615,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,741.57 : 1,122,904.43 = 446,159.85 : x
  2. Step 2: Convert to fraction form
    813,741.57/1,122,904.43 = 446,159.85/x
  3. Step 3: Cross multiply
    813,741.57x = 1,122,904.43 × 446,159.85
  4. Step 4: Simplify right side
    813,741.57x = 500,994,869,822.34
  5. Step 5: Solve for x
    x = 500,994,869,822.34/813,741.57
  6. Step 6: Final answer
    x = 615,668.28

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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.