Home / 858,083.36-1,184,155.04-476,112.88

Finding the Fourth Proportional to 858,083.36, 1,184,155.04 and 476,112.88

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Solution

The fourth proportional to 858,083.36, 1,184,155.04 and 476,112.88 is: 657,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,083.36 : 1,184,155.04 = 476,112.88 : x
  2. Step 2: Convert to fraction form
    858,083.36/1,184,155.04 = 476,112.88/x
  3. Step 3: Cross multiply
    858,083.36x = 1,184,155.04 × 476,112.88
  4. Step 4: Simplify right side
    858,083.36x = 563,791,466,460.92
  5. Step 5: Solve for x
    x = 563,791,466,460.92/858,083.36
  6. Step 6: Final answer
    x = 657,035.78

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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.