Home / 858,112.40-1,184,204.40-476,145.56

Finding the Fourth Proportional to 858,112.40, 1,184,204.40 and 476,145.56

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Solution

The fourth proportional to 858,112.40, 1,184,204.40 and 476,145.56 is: 657,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,112.40 : 1,184,204.40 = 476,145.56 : x
  2. Step 2: Convert to fraction form
    858,112.40/1,184,204.40 = 476,145.56/x
  3. Step 3: Cross multiply
    858,112.40x = 1,184,204.40 × 476,145.56
  4. Step 4: Simplify right side
    858,112.40x = 563,853,667,192.46
  5. Step 5: Solve for x
    x = 563,853,667,192.46/858,112.40
  6. Step 6: Final answer
    x = 657,086.03

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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.