Home / 858,142.68-1,184,233.08-476,168.64

Finding the Fourth Proportional to 858,142.68, 1,184,233.08 and 476,168.64

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Solution

The fourth proportional to 858,142.68, 1,184,233.08 and 476,168.64 is: 657,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,142.68 : 1,184,233.08 = 476,168.64 : x
  2. Step 2: Convert to fraction form
    858,142.68/1,184,233.08 = 476,168.64/x
  3. Step 3: Cross multiply
    858,142.68x = 1,184,233.08 × 476,168.64
  4. Step 4: Simplify right side
    858,142.68x = 563,894,655,146.61
  5. Step 5: Solve for x
    x = 563,894,655,146.61/858,142.68
  6. Step 6: Final answer
    x = 657,110.60

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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.