Home / 862,956.40-1,293,973.80-363,756.40

Finding the Fourth Proportional to 862,956.40, 1,293,973.80 and 363,756.40

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Solution

The fourth proportional to 862,956.40, 1,293,973.80 and 363,756.40 is: 545,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,956.40 : 1,293,973.80 = 363,756.40 : x
  2. Step 2: Convert to fraction form
    862,956.40/1,293,973.80 = 363,756.40/x
  3. Step 3: Cross multiply
    862,956.40x = 1,293,973.80 × 363,756.40
  4. Step 4: Simplify right side
    862,956.40x = 470,691,251,182.32
  5. Step 5: Solve for x
    x = 470,691,251,182.32/862,956.40
  6. Step 6: Final answer
    x = 545,440.36

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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.