Home / 858,410.19-1,184,561.82-509,565.24

Finding the Fourth Proportional to 858,410.19, 1,184,561.82 and 509,565.24

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Solution

The fourth proportional to 858,410.19, 1,184,561.82 and 509,565.24 is: 703,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,410.19 : 1,184,561.82 = 509,565.24 : x
  2. Step 2: Convert to fraction form
    858,410.19/1,184,561.82 = 509,565.24/x
  3. Step 3: Cross multiply
    858,410.19x = 1,184,561.82 × 509,565.24
  4. Step 4: Simplify right side
    858,410.19x = 603,611,528,103.14
  5. Step 5: Solve for x
    x = 603,611,528,103.14/858,410.19
  6. Step 6: Final answer
    x = 703,173.77

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Double scale
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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.