Home / 996,857.90-1,495,141.05-286,811.90

Finding the Fourth Proportional to 996,857.90, 1,495,141.05 and 286,811.90

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Solution

The fourth proportional to 996,857.90, 1,495,141.05 and 286,811.90 is: 430,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,857.90 : 1,495,141.05 = 286,811.90 : x
  2. Step 2: Convert to fraction form
    996,857.90/1,495,141.05 = 286,811.90/x
  3. Step 3: Cross multiply
    996,857.90x = 1,495,141.05 × 286,811.90
  4. Step 4: Simplify right side
    996,857.90x = 428,824,245,318.50
  5. Step 5: Solve for x
    x = 428,824,245,318.50/996,857.90
  6. Step 6: Final answer
    x = 430,175.90

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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.