Home / 858,036.94-1,184,087.70-470,858.77

Finding the Fourth Proportional to 858,036.94, 1,184,087.70 and 470,858.77

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Solution

The fourth proportional to 858,036.94, 1,184,087.70 and 470,858.77 is: 649,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,036.94 : 1,184,087.70 = 470,858.77 : x
  2. Step 2: Convert to fraction form
    858,036.94/1,184,087.70 = 470,858.77/x
  3. Step 3: Cross multiply
    858,036.94x = 1,184,087.70 × 470,858.77
  4. Step 4: Simplify right side
    858,036.94x = 557,538,077,994.13
  5. Step 5: Solve for x
    x = 557,538,077,994.13/858,036.94
  6. Step 6: Final answer
    x = 649,783.30

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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.