Home / 739,206.68-1,020,103.18-412,516.19

Finding the Fourth Proportional to 739,206.68, 1,020,103.18 and 412,516.19

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Solution

The fourth proportional to 739,206.68, 1,020,103.18 and 412,516.19 is: 569,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,206.68 : 1,020,103.18 = 412,516.19 : x
  2. Step 2: Convert to fraction form
    739,206.68/1,020,103.18 = 412,516.19/x
  3. Step 3: Cross multiply
    739,206.68x = 1,020,103.18 × 412,516.19
  4. Step 4: Simplify right side
    739,206.68x = 420,809,081,059.86
  5. Step 5: Solve for x
    x = 420,809,081,059.86/739,206.68
  6. Step 6: Final answer
    x = 569,271.21

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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.