Home / 858,355.16-1,184,474.94-476,382.20

Finding the Fourth Proportional to 858,355.16, 1,184,474.94 and 476,382.20

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Solution

The fourth proportional to 858,355.16, 1,184,474.94 and 476,382.20 is: 657,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,355.16 : 1,184,474.94 = 476,382.20 : x
  2. Step 2: Convert to fraction form
    858,355.16/1,184,474.94 = 476,382.20/x
  3. Step 3: Cross multiply
    858,355.16x = 1,184,474.94 × 476,382.20
  4. Step 4: Simplify right side
    858,355.16x = 564,262,777,762.07
  5. Step 5: Solve for x
    x = 564,262,777,762.07/858,355.16
  6. Step 6: Final answer
    x = 657,376.81

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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.