Home / 858,102.64-1,184,181.90-476,132.20

Finding the Fourth Proportional to 858,102.64, 1,184,181.90 and 476,132.20

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Solution

The fourth proportional to 858,102.64, 1,184,181.90 and 476,132.20 is: 657,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,102.64 : 1,184,181.90 = 476,132.20 : x
  2. Step 2: Convert to fraction form
    858,102.64/1,184,181.90 = 476,132.20/x
  3. Step 3: Cross multiply
    858,102.64x = 1,184,181.90 × 476,132.20
  4. Step 4: Simplify right side
    858,102.64x = 563,827,133,247.18
  5. Step 5: Solve for x
    x = 563,827,133,247.18/858,102.64
  6. Step 6: Final answer
    x = 657,062.58

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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.