Home / 1,293,154.92-1,784,609.10-720,195

Finding the Fourth Proportional to 1,293,154.92, 1,784,609.10 and 720,195

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Solution

The fourth proportional to 1,293,154.92, 1,784,609.10 and 720,195 is: 993,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,154.92 : 1,784,609.10 = 720,195 : x
  2. Step 2: Convert to fraction form
    1,293,154.92/1,784,609.10 = 720,195/x
  3. Step 3: Cross multiply
    1,293,154.92x = 1,784,609.10 × 720,195
  4. Step 4: Simplify right side
    1,293,154.92x = 1,285,266,550,774.50
  5. Step 5: Solve for x
    x = 1,285,266,550,774.50/1,293,154.92
  6. Step 6: Final answer
    x = 993,899.90

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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.