Home / 858,143.16-1,184,233.68-476,169.12

Finding the Fourth Proportional to 858,143.16, 1,184,233.68 and 476,169.12

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Solution

The fourth proportional to 858,143.16, 1,184,233.68 and 476,169.12 is: 657,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,143.16 : 1,184,233.68 = 476,169.12 : x
  2. Step 2: Convert to fraction form
    858,143.16/1,184,233.68 = 476,169.12/x
  3. Step 3: Cross multiply
    858,143.16x = 1,184,233.68 × 476,169.12
  4. Step 4: Simplify right side
    858,143.16x = 563,895,509,279.96
  5. Step 5: Solve for x
    x = 563,895,509,279.96/858,143.16
  6. Step 6: Final answer
    x = 657,111.23

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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.