Home / 649,155.93-895,818.69-362,678.19

Finding the Fourth Proportional to 649,155.93, 895,818.69 and 362,678.19

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Solution

The fourth proportional to 649,155.93, 895,818.69 and 362,678.19 is: 500,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,155.93 : 895,818.69 = 362,678.19 : x
  2. Step 2: Convert to fraction form
    649,155.93/895,818.69 = 362,678.19/x
  3. Step 3: Cross multiply
    649,155.93x = 895,818.69 × 362,678.19
  4. Step 4: Simplify right side
    649,155.93x = 324,893,901,057.37
  5. Step 5: Solve for x
    x = 324,893,901,057.37/649,155.93
  6. Step 6: Final answer
    x = 500,486.69

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Double scale
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Similar ratio
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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.