Home / 779,245.97-1,075,348.90-435,087.19

Finding the Fourth Proportional to 779,245.97, 1,075,348.90 and 435,087.19

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Solution

The fourth proportional to 779,245.97, 1,075,348.90 and 435,087.19 is: 600,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,245.97 : 1,075,348.90 = 435,087.19 : x
  2. Step 2: Convert to fraction form
    779,245.97/1,075,348.90 = 435,087.19/x
  3. Step 3: Cross multiply
    779,245.97x = 1,075,348.90 × 435,087.19
  4. Step 4: Simplify right side
    779,245.97x = 467,870,528,995.16
  5. Step 5: Solve for x
    x = 467,870,528,995.16/779,245.97
  6. Step 6: Final answer
    x = 600,414.44

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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.