Home / 1,228,740.48-1,695,632.88-712,586.64

Finding the Fourth Proportional to 1,228,740.48, 1,695,632.88 and 712,586.64

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Solution

The fourth proportional to 1,228,740.48, 1,695,632.88 and 712,586.64 is: 983,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,740.48 : 1,695,632.88 = 712,586.64 : x
  2. Step 2: Convert to fraction form
    1,228,740.48/1,695,632.88 = 712,586.64/x
  3. Step 3: Cross multiply
    1,228,740.48x = 1,695,632.88 × 712,586.64
  4. Step 4: Simplify right side
    1,228,740.48x = 1,208,285,336,632.72
  5. Step 5: Solve for x
    x = 1,208,285,336,632.72/1,228,740.48
  6. Step 6: Final answer
    x = 983,352.76

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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.