Home / 1,678,908-2,316,825.42-914,945.16

Finding the Fourth Proportional to 1,678,908, 2,316,825.42 and 914,945.16

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Solution

The fourth proportional to 1,678,908, 2,316,825.42 and 914,945.16 is: 1,262,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,908 : 2,316,825.42 = 914,945.16 : x
  2. Step 2: Convert to fraction form
    1,678,908/2,316,825.42 = 914,945.16/x
  3. Step 3: Cross multiply
    1,678,908x = 2,316,825.42 × 914,945.16
  4. Step 4: Simplify right side
    1,678,908x = 2,119,768,204,593.97
  5. Step 5: Solve for x
    x = 2,119,768,204,593.97/1,678,908
  6. Step 6: Final answer
    x = 1,262,587.47

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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.