Home / 858,560.67-1,184,754.45-476,557.38

Finding the Fourth Proportional to 858,560.67, 1,184,754.45 and 476,557.38

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Solution

The fourth proportional to 858,560.67, 1,184,754.45 and 476,557.38 is: 657,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,560.67 : 1,184,754.45 = 476,557.38 : x
  2. Step 2: Convert to fraction form
    858,560.67/1,184,754.45 = 476,557.38/x
  3. Step 3: Cross multiply
    858,560.67x = 1,184,754.45 × 476,557.38
  4. Step 4: Simplify right side
    858,560.67x = 564,603,476,635.34
  5. Step 5: Solve for x
    x = 564,603,476,635.34/858,560.67
  6. Step 6: Final answer
    x = 657,616.28

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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.