Home / 1,211,112-1,671,334.56-674,602.56

Finding the Fourth Proportional to 1,211,112, 1,671,334.56 and 674,602.56

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Solution

The fourth proportional to 1,211,112, 1,671,334.56 and 674,602.56 is: 930,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,112 : 1,671,334.56 = 674,602.56 : x
  2. Step 2: Convert to fraction form
    1,211,112/1,671,334.56 = 674,602.56/x
  3. Step 3: Cross multiply
    1,211,112x = 1,671,334.56 × 674,602.56
  4. Step 4: Simplify right side
    1,211,112x = 1,127,486,572,792.47
  5. Step 5: Solve for x
    x = 1,127,486,572,792.47/1,211,112
  6. Step 6: Final answer
    x = 930,951.53

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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.