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Finding the Fourth Proportional to 1,694,547, 2,338,515.48 and 930,616.92

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Solution

The fourth proportional to 1,694,547, 2,338,515.48 and 930,616.92 is: 1,284,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,547 : 2,338,515.48 = 930,616.92 : x
  2. Step 2: Convert to fraction form
    1,694,547/2,338,515.48 = 930,616.92/x
  3. Step 3: Cross multiply
    1,694,547x = 2,338,515.48 × 930,616.92
  4. Step 4: Simplify right side
    1,694,547x = 2,176,262,073,369.92
  5. Step 5: Solve for x
    x = 2,176,262,073,369.92/1,694,547
  6. Step 6: Final answer
    x = 1,284,273.66

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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.