Home / 757,072.28-1,044,776.80-430,333.48

Finding the Fourth Proportional to 757,072.28, 1,044,776.80 and 430,333.48

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Solution

The fourth proportional to 757,072.28, 1,044,776.80 and 430,333.48 is: 593,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,072.28 : 1,044,776.80 = 430,333.48 : x
  2. Step 2: Convert to fraction form
    757,072.28/1,044,776.80 = 430,333.48/x
  3. Step 3: Cross multiply
    757,072.28x = 1,044,776.80 × 430,333.48
  4. Step 4: Simplify right side
    757,072.28x = 449,602,436,167.26
  5. Step 5: Solve for x
    x = 449,602,436,167.26/757,072.28
  6. Step 6: Final answer
    x = 593,869.90

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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.