Home / 785,819.52-1,084,561.40-463,608.84

Finding the Fourth Proportional to 785,819.52, 1,084,561.40 and 463,608.84

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Solution

The fourth proportional to 785,819.52, 1,084,561.40 and 463,608.84 is: 639,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,819.52 : 1,084,561.40 = 463,608.84 : x
  2. Step 2: Convert to fraction form
    785,819.52/1,084,561.40 = 463,608.84/x
  3. Step 3: Cross multiply
    785,819.52x = 1,084,561.40 × 463,608.84
  4. Step 4: Simplify right side
    785,819.52x = 502,812,252,562.78
  5. Step 5: Solve for x
    x = 502,812,252,562.78/785,819.52
  6. Step 6: Final answer
    x = 639,857.17

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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.