Home / 1,020,160.92-1,405,589.58-675,411.96

Finding the Fourth Proportional to 1,020,160.92, 1,405,589.58 and 675,411.96

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Solution

The fourth proportional to 1,020,160.92, 1,405,589.58 and 675,411.96 is: 930,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,160.92 : 1,405,589.58 = 675,411.96 : x
  2. Step 2: Convert to fraction form
    1,020,160.92/1,405,589.58 = 675,411.96/x
  3. Step 3: Cross multiply
    1,020,160.92x = 1,405,589.58 × 675,411.96
  4. Step 4: Simplify right side
    1,020,160.92x = 949,352,013,183.38
  5. Step 5: Solve for x
    x = 949,352,013,183.38/1,020,160.92
  6. Step 6: Final answer
    x = 930,590.45

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Double scale
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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.