Home / 858,534.72-1,184,769.12-476,551.68

Finding the Fourth Proportional to 858,534.72, 1,184,769.12 and 476,551.68

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Solution

The fourth proportional to 858,534.72, 1,184,769.12 and 476,551.68 is: 657,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,534.72 : 1,184,769.12 = 476,551.68 : x
  2. Step 2: Convert to fraction form
    858,534.72/1,184,769.12 = 476,551.68/x
  3. Step 3: Cross multiply
    858,534.72x = 1,184,769.12 × 476,551.68
  4. Step 4: Simplify right side
    858,534.72x = 564,603,714,548.12
  5. Step 5: Solve for x
    x = 564,603,714,548.12/858,534.72
  6. Step 6: Final answer
    x = 657,636.44

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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.