Home / 1,031,215.54-1,423,056.03-572,303.46

Finding the Fourth Proportional to 1,031,215.54, 1,423,056.03 and 572,303.46

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Solution

The fourth proportional to 1,031,215.54, 1,423,056.03 and 572,303.46 is: 789,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,215.54 : 1,423,056.03 = 572,303.46 : x
  2. Step 2: Convert to fraction form
    1,031,215.54/1,423,056.03 = 572,303.46/x
  3. Step 3: Cross multiply
    1,031,215.54x = 1,423,056.03 × 572,303.46
  4. Step 4: Simplify right side
    1,031,215.54x = 814,419,889,742.86
  5. Step 5: Solve for x
    x = 814,419,889,742.86/1,031,215.54
  6. Step 6: Final answer
    x = 789,766.89

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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.