Home / 691,798.92-1,037,899.28-286,916.88

Finding the Fourth Proportional to 691,798.92, 1,037,899.28 and 286,916.88

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Solution

The fourth proportional to 691,798.92, 1,037,899.28 and 286,916.88 is: 430,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,798.92 : 1,037,899.28 = 286,916.88 : x
  2. Step 2: Convert to fraction form
    691,798.92/1,037,899.28 = 286,916.88/x
  3. Step 3: Cross multiply
    691,798.92x = 1,037,899.28 × 286,916.88
  4. Step 4: Simplify right side
    691,798.92x = 297,790,823,171.85
  5. Step 5: Solve for x
    x = 297,790,823,171.85/691,798.92
  6. Step 6: Final answer
    x = 430,458.64

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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.