Home / 858,114.40-1,184,207.16-476,147.56

Finding the Fourth Proportional to 858,114.40, 1,184,207.16 and 476,147.56

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Solution

The fourth proportional to 858,114.40, 1,184,207.16 and 476,147.56 is: 657,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,114.40 : 1,184,207.16 = 476,147.56 : x
  2. Step 2: Convert to fraction form
    858,114.40/1,184,207.16 = 476,147.56/x
  3. Step 3: Cross multiply
    858,114.40x = 1,184,207.16 × 476,147.56
  4. Step 4: Simplify right side
    858,114.40x = 563,857,349,768.53
  5. Step 5: Solve for x
    x = 563,857,349,768.53/858,114.40
  6. Step 6: Final answer
    x = 657,088.79

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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.