Home / 1,031,331.84-1,423,215.78-572,419.60

Finding the Fourth Proportional to 1,031,331.84, 1,423,215.78 and 572,419.60

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Solution

The fourth proportional to 1,031,331.84, 1,423,215.78 and 572,419.60 is: 789,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,331.84 : 1,423,215.78 = 572,419.60 : x
  2. Step 2: Convert to fraction form
    1,031,331.84/1,423,215.78 = 572,419.60/x
  3. Step 3: Cross multiply
    1,031,331.84x = 1,423,215.78 × 572,419.60
  4. Step 4: Simplify right side
    1,031,331.84x = 814,676,607,501.29
  5. Step 5: Solve for x
    x = 814,676,607,501.29/1,031,331.84
  6. Step 6: Final answer
    x = 789,926.75

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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.