Home / 775,848.96-1,070,713.92-436,337.28

Finding the Fourth Proportional to 775,848.96, 1,070,713.92 and 436,337.28

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Solution

The fourth proportional to 775,848.96, 1,070,713.92 and 436,337.28 is: 602,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,848.96 : 1,070,713.92 = 436,337.28 : x
  2. Step 2: Convert to fraction form
    775,848.96/1,070,713.92 = 436,337.28/x
  3. Step 3: Cross multiply
    775,848.96x = 1,070,713.92 × 436,337.28
  4. Step 4: Simplify right side
    775,848.96x = 467,192,399,510.94
  5. Step 5: Solve for x
    x = 467,192,399,510.94/775,848.96
  6. Step 6: Final answer
    x = 602,169.27

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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.