Home / 788,270.46-1,087,813.23-425,694.29

Finding the Fourth Proportional to 788,270.46, 1,087,813.23 and 425,694.29

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Solution

The fourth proportional to 788,270.46, 1,087,813.23 and 425,694.29 is: 587,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,270.46 : 1,087,813.23 = 425,694.29 : x
  2. Step 2: Convert to fraction form
    788,270.46/1,087,813.23 = 425,694.29/x
  3. Step 3: Cross multiply
    788,270.46x = 1,087,813.23 × 425,694.29
  4. Step 4: Simplify right side
    788,270.46x = 463,075,883,316.99
  5. Step 5: Solve for x
    x = 463,075,883,316.99/788,270.46
  6. Step 6: Final answer
    x = 587,458.12

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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.