Home / 789,534.80-1,184,302.20-346,302.80

Finding the Fourth Proportional to 789,534.80, 1,184,302.20 and 346,302.80

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Solution

The fourth proportional to 789,534.80, 1,184,302.20 and 346,302.80 is: 519,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,534.80 : 1,184,302.20 = 346,302.80 : x
  2. Step 2: Convert to fraction form
    789,534.80/1,184,302.20 = 346,302.80/x
  3. Step 3: Cross multiply
    789,534.80x = 1,184,302.20 × 346,302.80
  4. Step 4: Simplify right side
    789,534.80x = 410,127,167,906.16
  5. Step 5: Solve for x
    x = 410,127,167,906.16/789,534.80
  6. Step 6: Final answer
    x = 519,454.20

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Half scale
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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.