Home / 1,927,145.20-2,890,719.89-579,307.67

Finding the Fourth Proportional to 1,927,145.20, 2,890,719.89 and 579,307.67

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Solution

The fourth proportional to 1,927,145.20, 2,890,719.89 and 579,307.67 is: 868,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,145.20 : 2,890,719.89 = 579,307.67 : x
  2. Step 2: Convert to fraction form
    1,927,145.20/2,890,719.89 = 579,307.67/x
  3. Step 3: Cross multiply
    1,927,145.20x = 2,890,719.89 × 579,307.67
  4. Step 4: Simplify right side
    1,927,145.20x = 1,674,616,204,098.56
  5. Step 5: Solve for x
    x = 1,674,616,204,098.56/1,927,145.20
  6. Step 6: Final answer
    x = 868,962.13

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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.