Home / 810,086.64-1,117,928.91-447,502.91

Finding the Fourth Proportional to 810,086.64, 1,117,928.91 and 447,502.91

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Solution

The fourth proportional to 810,086.64, 1,117,928.91 and 447,502.91 is: 617,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,086.64 : 1,117,928.91 = 447,502.91 : x
  2. Step 2: Convert to fraction form
    810,086.64/1,117,928.91 = 447,502.91/x
  3. Step 3: Cross multiply
    810,086.64x = 1,117,928.91 × 447,502.91
  4. Step 4: Simplify right side
    810,086.64x = 500,276,434,808.48
  5. Step 5: Solve for x
    x = 500,276,434,808.48/810,086.64
  6. Step 6: Final answer
    x = 617,559.17

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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.