Home / 756,905.28-1,044,521.64-412,740.36

Finding the Fourth Proportional to 756,905.28, 1,044,521.64 and 412,740.36

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Solution

The fourth proportional to 756,905.28, 1,044,521.64 and 412,740.36 is: 569,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,905.28 : 1,044,521.64 = 412,740.36 : x
  2. Step 2: Convert to fraction form
    756,905.28/1,044,521.64 = 412,740.36/x
  3. Step 3: Cross multiply
    756,905.28x = 1,044,521.64 × 412,740.36
  4. Step 4: Simplify right side
    756,905.28x = 431,116,237,721.39
  5. Step 5: Solve for x
    x = 431,116,237,721.39/756,905.28
  6. Step 6: Final answer
    x = 569,577.53

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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.