Home / 858,021.87-1,184,070.33-476,047.74

Finding the Fourth Proportional to 858,021.87, 1,184,070.33 and 476,047.74

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Solution

The fourth proportional to 858,021.87, 1,184,070.33 and 476,047.74 is: 656,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,021.87 : 1,184,070.33 = 476,047.74 : x
  2. Step 2: Convert to fraction form
    858,021.87/1,184,070.33 = 476,047.74/x
  3. Step 3: Cross multiply
    858,021.87x = 1,184,070.33 × 476,047.74
  4. Step 4: Simplify right side
    858,021.87x = 563,674,004,597.55
  5. Step 5: Solve for x
    x = 563,674,004,597.55/858,021.87
  6. Step 6: Final answer
    x = 656,945.96

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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.