Home / 790,193.80-1,090,475.13-427,625.19

Finding the Fourth Proportional to 790,193.80, 1,090,475.13 and 427,625.19

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Solution

The fourth proportional to 790,193.80, 1,090,475.13 and 427,625.19 is: 590,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,193.80 : 1,090,475.13 = 427,625.19 : x
  2. Step 2: Convert to fraction form
    790,193.80/1,090,475.13 = 427,625.19/x
  3. Step 3: Cross multiply
    790,193.80x = 1,090,475.13 × 427,625.19
  4. Step 4: Simplify right side
    790,193.80x = 466,314,638,710.67
  5. Step 5: Solve for x
    x = 466,314,638,710.67/790,193.80
  6. Step 6: Final answer
    x = 590,126.93

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Double scale
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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.