Home / 804,911.70-1,205,985.15-383,279.70

Finding the Fourth Proportional to 804,911.70, 1,205,985.15 and 383,279.70

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Solution

The fourth proportional to 804,911.70, 1,205,985.15 and 383,279.70 is: 574,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,911.70 : 1,205,985.15 = 383,279.70 : x
  2. Step 2: Convert to fraction form
    804,911.70/1,205,985.15 = 383,279.70/x
  3. Step 3: Cross multiply
    804,911.70x = 1,205,985.15 × 383,279.70
  4. Step 4: Simplify right side
    804,911.70x = 462,229,626,496.46
  5. Step 5: Solve for x
    x = 462,229,626,496.46/804,911.70
  6. Step 6: Final answer
    x = 574,261.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.