Home / 792,138.30-1,188,207.45-705,047.10

Finding the Fourth Proportional to 792,138.30, 1,188,207.45 and 705,047.10

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Solution

The fourth proportional to 792,138.30, 1,188,207.45 and 705,047.10 is: 1,057,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,138.30 : 1,188,207.45 = 705,047.10 : x
  2. Step 2: Convert to fraction form
    792,138.30/1,188,207.45 = 705,047.10/x
  3. Step 3: Cross multiply
    792,138.30x = 1,188,207.45 × 705,047.10
  4. Step 4: Simplify right side
    792,138.30x = 837,742,216,820.90
  5. Step 5: Solve for x
    x = 837,742,216,820.90/792,138.30
  6. Step 6: Final answer
    x = 1,057,570.65

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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.