Home / 842,342.32-1,263,050.76-414,937.72

Finding the Fourth Proportional to 842,342.32, 1,263,050.76 and 414,937.72

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Solution

The fourth proportional to 842,342.32, 1,263,050.76 and 414,937.72 is: 622,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,342.32 : 1,263,050.76 = 414,937.72 : x
  2. Step 2: Convert to fraction form
    842,342.32/1,263,050.76 = 414,937.72/x
  3. Step 3: Cross multiply
    842,342.32x = 1,263,050.76 × 414,937.72
  4. Step 4: Simplify right side
    842,342.32x = 524,087,402,598.67
  5. Step 5: Solve for x
    x = 524,087,402,598.67/842,342.32
  6. Step 6: Final answer
    x = 622,178.64

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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.