Home / 1,054,852.80-1,582,279.17-256,128.94

Finding the Fourth Proportional to 1,054,852.80, 1,582,279.17 and 256,128.94

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Solution

The fourth proportional to 1,054,852.80, 1,582,279.17 and 256,128.94 is: 384,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,852.80 : 1,582,279.17 = 256,128.94 : x
  2. Step 2: Convert to fraction form
    1,054,852.80/1,582,279.17 = 256,128.94/x
  3. Step 3: Cross multiply
    1,054,852.80x = 1,582,279.17 × 256,128.94
  4. Step 4: Simplify right side
    1,054,852.80x = 405,267,486,596.18
  5. Step 5: Solve for x
    x = 405,267,486,596.18/1,054,852.80
  6. Step 6: Final answer
    x = 384,193.40

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Double scale
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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.