Home / 1,031,219.70-1,423,061.76-572,307.62

Finding the Fourth Proportional to 1,031,219.70, 1,423,061.76 and 572,307.62

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Solution

The fourth proportional to 1,031,219.70, 1,423,061.76 and 572,307.62 is: 789,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,219.70 : 1,423,061.76 = 572,307.62 : x
  2. Step 2: Convert to fraction form
    1,031,219.70/1,423,061.76 = 572,307.62/x
  3. Step 3: Cross multiply
    1,031,219.70x = 1,423,061.76 × 572,307.62
  4. Step 4: Simplify right side
    1,031,219.70x = 814,429,081,863.30
  5. Step 5: Solve for x
    x = 814,429,081,863.30/1,031,219.70
  6. Step 6: Final answer
    x = 789,772.62

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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.