Home / 885,716.51-1,328,785.67-286,677.77

Finding the Fourth Proportional to 885,716.51, 1,328,785.67 and 286,677.77

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Solution

The fourth proportional to 885,716.51, 1,328,785.67 and 286,677.77 is: 430,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,716.51 : 1,328,785.67 = 286,677.77 : x
  2. Step 2: Convert to fraction form
    885,716.51/1,328,785.67 = 286,677.77/x
  3. Step 3: Cross multiply
    885,716.51x = 1,328,785.67 × 286,677.77
  4. Step 4: Simplify right side
    885,716.51x = 380,933,316,722.22
  5. Step 5: Solve for x
    x = 380,933,316,722.22/885,716.51
  6. Step 6: Final answer
    x = 430,084.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.