Home / 1,109,210.07-1,663,815.11-361,256.07

Finding the Fourth Proportional to 1,109,210.07, 1,663,815.11 and 361,256.07

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Solution

The fourth proportional to 1,109,210.07, 1,663,815.11 and 361,256.07 is: 541,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,210.07 : 1,663,815.11 = 361,256.07 : x
  2. Step 2: Convert to fraction form
    1,109,210.07/1,663,815.11 = 361,256.07/x
  3. Step 3: Cross multiply
    1,109,210.07x = 1,663,815.11 × 361,256.07
  4. Step 4: Simplify right side
    1,109,210.07x = 601,063,306,038.94
  5. Step 5: Solve for x
    x = 601,063,306,038.94/1,109,210.07
  6. Step 6: Final answer
    x = 541,884.11

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.