Home / 813,097.40-1,220,763.29-414,006.35

Finding the Fourth Proportional to 813,097.40, 1,220,763.29 and 414,006.35

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Solution

The fourth proportional to 813,097.40, 1,220,763.29 and 414,006.35 is: 621,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,097.40 : 1,220,763.29 = 414,006.35 : x
  2. Step 2: Convert to fraction form
    813,097.40/1,220,763.29 = 414,006.35/x
  3. Step 3: Cross multiply
    813,097.40x = 1,220,763.29 × 414,006.35
  4. Step 4: Simplify right side
    813,097.40x = 505,403,745,733.04
  5. Step 5: Solve for x
    x = 505,403,745,733.04/813,097.40
  6. Step 6: Final answer
    x = 621,578.36

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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.