Home / 785,452.98-1,177,181.96-406,302.51

Finding the Fourth Proportional to 785,452.98, 1,177,181.96 and 406,302.51

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Solution

The fourth proportional to 785,452.98, 1,177,181.96 and 406,302.51 is: 608,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,452.98 : 1,177,181.96 = 406,302.51 : x
  2. Step 2: Convert to fraction form
    785,452.98/1,177,181.96 = 406,302.51/x
  3. Step 3: Cross multiply
    785,452.98x = 1,177,181.96 × 406,302.51
  4. Step 4: Simplify right side
    785,452.98x = 478,291,983,043.21
  5. Step 5: Solve for x
    x = 478,291,983,043.21/785,452.98
  6. Step 6: Final answer
    x = 608,937.77

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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.