Home / 785,156.63-1,083,488.85-479,744.24

Finding the Fourth Proportional to 785,156.63, 1,083,488.85 and 479,744.24

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Solution

The fourth proportional to 785,156.63, 1,083,488.85 and 479,744.24 is: 662,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,156.63 : 1,083,488.85 = 479,744.24 : x
  2. Step 2: Convert to fraction form
    785,156.63/1,083,488.85 = 479,744.24/x
  3. Step 3: Cross multiply
    785,156.63x = 1,083,488.85 × 479,744.24
  4. Step 4: Simplify right side
    785,156.63x = 519,797,529,474.28
  5. Step 5: Solve for x
    x = 519,797,529,474.28/785,156.63
  6. Step 6: Final answer
    x = 662,030.37

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Double scale
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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.