Home / 1,208,132.80-1,812,199.20-497,795.20

Finding the Fourth Proportional to 1,208,132.80, 1,812,199.20 and 497,795.20

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Solution

The fourth proportional to 1,208,132.80, 1,812,199.20 and 497,795.20 is: 746,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,132.80 : 1,812,199.20 = 497,795.20 : x
  2. Step 2: Convert to fraction form
    1,208,132.80/1,812,199.20 = 497,795.20/x
  3. Step 3: Cross multiply
    1,208,132.80x = 1,812,199.20 × 497,795.20
  4. Step 4: Simplify right side
    1,208,132.80x = 902,104,063,203.84
  5. Step 5: Solve for x
    x = 902,104,063,203.84/1,208,132.80
  6. Step 6: Final answer
    x = 746,692.80

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Double scale
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Similar ratio
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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.