Home / 858,340.88-1,184,495.64-476,383.76

Finding the Fourth Proportional to 858,340.88, 1,184,495.64 and 476,383.76

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Solution

The fourth proportional to 858,340.88, 1,184,495.64 and 476,383.76 is: 657,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,340.88 : 1,184,495.64 = 476,383.76 : x
  2. Step 2: Convert to fraction form
    858,340.88/1,184,495.64 = 476,383.76/x
  3. Step 3: Cross multiply
    858,340.88x = 1,184,495.64 × 476,383.76
  4. Step 4: Simplify right side
    858,340.88x = 564,274,486,686.81
  5. Step 5: Solve for x
    x = 564,274,486,686.81/858,340.88
  6. Step 6: Final answer
    x = 657,401.39

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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.