Home / 1,122,501.31-1,684,416.26-413,027.57

Finding the Fourth Proportional to 1,122,501.31, 1,684,416.26 and 413,027.57

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Solution

The fourth proportional to 1,122,501.31, 1,684,416.26 and 413,027.57 is: 619,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,501.31 : 1,684,416.26 = 413,027.57 : x
  2. Step 2: Convert to fraction form
    1,122,501.31/1,684,416.26 = 413,027.57/x
  3. Step 3: Cross multiply
    1,122,501.31x = 1,684,416.26 × 413,027.57
  4. Step 4: Simplify right side
    1,122,501.31x = 695,710,359,979.90
  5. Step 5: Solve for x
    x = 695,710,359,979.90/1,122,501.31
  6. Step 6: Final answer
    x = 619,785.79

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Double scale
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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.