Home / 803,682.54-1,109,001.06-481,384.35

Finding the Fourth Proportional to 803,682.54, 1,109,001.06 and 481,384.35

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Solution

The fourth proportional to 803,682.54, 1,109,001.06 and 481,384.35 is: 664,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,682.54 : 1,109,001.06 = 481,384.35 : x
  2. Step 2: Convert to fraction form
    803,682.54/1,109,001.06 = 481,384.35/x
  3. Step 3: Cross multiply
    803,682.54x = 1,109,001.06 × 481,384.35
  4. Step 4: Simplify right side
    803,682.54x = 533,855,754,417.41
  5. Step 5: Solve for x
    x = 533,855,754,417.41/803,682.54
  6. Step 6: Final answer
    x = 664,261.98

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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.