Home / 923,903.70-1,387,281.15-503,999.70

Finding the Fourth Proportional to 923,903.70, 1,387,281.15 and 503,999.70

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Solution

The fourth proportional to 923,903.70, 1,387,281.15 and 503,999.70 is: 756,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,903.70 : 1,387,281.15 = 503,999.70 : x
  2. Step 2: Convert to fraction form
    923,903.70/1,387,281.15 = 503,999.70/x
  3. Step 3: Cross multiply
    923,903.70x = 1,387,281.15 × 503,999.70
  4. Step 4: Simplify right side
    923,903.70x = 699,189,283,415.66
  5. Step 5: Solve for x
    x = 699,189,283,415.66/923,903.70
  6. Step 6: Final answer
    x = 756,777.23

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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.