Home / 916,532.38-1,374,783.45-376,679.26

Finding the Fourth Proportional to 916,532.38, 1,374,783.45 and 376,679.26

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Solution

The fourth proportional to 916,532.38, 1,374,783.45 and 376,679.26 is: 565,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,532.38 : 1,374,783.45 = 376,679.26 : x
  2. Step 2: Convert to fraction form
    916,532.38/1,374,783.45 = 376,679.26/x
  3. Step 3: Cross multiply
    916,532.38x = 1,374,783.45 × 376,679.26
  4. Step 4: Simplify right side
    916,532.38x = 517,852,412,606.25
  5. Step 5: Solve for x
    x = 517,852,412,606.25/916,532.38
  6. Step 6: Final answer
    x = 565,012.68

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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.