Home / 829,473.80-1,244,210.70-815,649.80

Finding the Fourth Proportional to 829,473.80, 1,244,210.70 and 815,649.80

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Solution

The fourth proportional to 829,473.80, 1,244,210.70 and 815,649.80 is: 1,223,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,473.80 : 1,244,210.70 = 815,649.80 : x
  2. Step 2: Convert to fraction form
    829,473.80/1,244,210.70 = 815,649.80/x
  3. Step 3: Cross multiply
    829,473.80x = 1,244,210.70 × 815,649.80
  4. Step 4: Simplify right side
    829,473.80x = 1,014,840,208,612.86
  5. Step 5: Solve for x
    x = 1,014,840,208,612.86/829,473.80
  6. Step 6: Final answer
    x = 1,223,474.70

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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.