Home / 1,127,667.92-1,691,507.55-286,219.94

Finding the Fourth Proportional to 1,127,667.92, 1,691,507.55 and 286,219.94

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Solution

The fourth proportional to 1,127,667.92, 1,691,507.55 and 286,219.94 is: 429,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,667.92 : 1,691,507.55 = 286,219.94 : x
  2. Step 2: Convert to fraction form
    1,127,667.92/1,691,507.55 = 286,219.94/x
  3. Step 3: Cross multiply
    1,127,667.92x = 1,691,507.55 × 286,219.94
  4. Step 4: Simplify right side
    1,127,667.92x = 484,143,189,470.55
  5. Step 5: Solve for x
    x = 484,143,189,470.55/1,127,667.92
  6. Step 6: Final answer
    x = 429,331.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.