Home / 1,113,590.70-1,670,200.26-314,689.86

Finding the Fourth Proportional to 1,113,590.70, 1,670,200.26 and 314,689.86

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Solution

The fourth proportional to 1,113,590.70, 1,670,200.26 and 314,689.86 is: 471,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,590.70 : 1,670,200.26 = 314,689.86 : x
  2. Step 2: Convert to fraction form
    1,113,590.70/1,670,200.26 = 314,689.86/x
  3. Step 3: Cross multiply
    1,113,590.70x = 1,670,200.26 × 314,689.86
  4. Step 4: Simplify right side
    1,113,590.70x = 525,595,085,991.36
  5. Step 5: Solve for x
    x = 525,595,085,991.36/1,113,590.70
  6. Step 6: Final answer
    x = 471,982.29

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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.