Home / 826,946.66-1,239,632.54-265,587.50

Finding the Fourth Proportional to 826,946.66, 1,239,632.54 and 265,587.50

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Solution

The fourth proportional to 826,946.66, 1,239,632.54 and 265,587.50 is: 398,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,946.66 : 1,239,632.54 = 265,587.50 : x
  2. Step 2: Convert to fraction form
    826,946.66/1,239,632.54 = 265,587.50/x
  3. Step 3: Cross multiply
    826,946.66x = 1,239,632.54 × 265,587.50
  4. Step 4: Simplify right side
    826,946.66x = 329,230,905,889.31
  5. Step 5: Solve for x
    x = 329,230,905,889.31/826,946.66
  6. Step 6: Final answer
    x = 398,128.35

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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.