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Finding the Fourth Proportional to 1,237,482, 1,707,792.39 and 693,792.18

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Solution

The fourth proportional to 1,237,482, 1,707,792.39 and 693,792.18 is: 957,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,482 : 1,707,792.39 = 693,792.18 : x
  2. Step 2: Convert to fraction form
    1,237,482/1,707,792.39 = 693,792.18/x
  3. Step 3: Cross multiply
    1,237,482x = 1,707,792.39 × 693,792.18
  4. Step 4: Simplify right side
    1,237,482x = 1,184,853,005,245.51
  5. Step 5: Solve for x
    x = 1,184,853,005,245.51/1,237,482
  6. Step 6: Final answer
    x = 957,470.90

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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.