Home / 785,305.75-1,083,603.89-441,075.74

Finding the Fourth Proportional to 785,305.75, 1,083,603.89 and 441,075.74

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Solution

The fourth proportional to 785,305.75, 1,083,603.89 and 441,075.74 is: 608,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,305.75 : 1,083,603.89 = 441,075.74 : x
  2. Step 2: Convert to fraction form
    785,305.75/1,083,603.89 = 441,075.74/x
  3. Step 3: Cross multiply
    785,305.75x = 1,083,603.89 × 441,075.74
  4. Step 4: Simplify right side
    785,305.75x = 477,951,381,127.92
  5. Step 5: Solve for x
    x = 477,951,381,127.92/785,305.75
  6. Step 6: Final answer
    x = 608,618.21

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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.