Home / 1,085,236.38-1,627,632.90-411,085.26

Finding the Fourth Proportional to 1,085,236.38, 1,627,632.90 and 411,085.26

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Solution

The fourth proportional to 1,085,236.38, 1,627,632.90 and 411,085.26 is: 616,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,236.38 : 1,627,632.90 = 411,085.26 : x
  2. Step 2: Convert to fraction form
    1,085,236.38/1,627,632.90 = 411,085.26/x
  3. Step 3: Cross multiply
    1,085,236.38x = 1,627,632.90 × 411,085.26
  4. Step 4: Simplify right side
    1,085,236.38x = 669,095,893,881.05
  5. Step 5: Solve for x
    x = 669,095,893,881.05/1,085,236.38
  6. Step 6: Final answer
    x = 616,543.92

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Double scale
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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.