Home / 823,868.40-1,235,802.60-350,569.20

Finding the Fourth Proportional to 823,868.40, 1,235,802.60 and 350,569.20

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Solution

The fourth proportional to 823,868.40, 1,235,802.60 and 350,569.20 is: 525,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,868.40 : 1,235,802.60 = 350,569.20 : x
  2. Step 2: Convert to fraction form
    823,868.40/1,235,802.60 = 350,569.20/x
  3. Step 3: Cross multiply
    823,868.40x = 1,235,802.60 × 350,569.20
  4. Step 4: Simplify right side
    823,868.40x = 433,234,328,839.92
  5. Step 5: Solve for x
    x = 433,234,328,839.92/823,868.40
  6. Step 6: Final answer
    x = 525,853.80

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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.