Home / 779,246.40-1,168,869.60-619,814.10

Finding the Fourth Proportional to 779,246.40, 1,168,869.60 and 619,814.10

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Solution

The fourth proportional to 779,246.40, 1,168,869.60 and 619,814.10 is: 929,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,246.40 : 1,168,869.60 = 619,814.10 : x
  2. Step 2: Convert to fraction form
    779,246.40/1,168,869.60 = 619,814.10/x
  3. Step 3: Cross multiply
    779,246.40x = 1,168,869.60 × 619,814.10
  4. Step 4: Simplify right side
    779,246.40x = 724,481,859,141.36
  5. Step 5: Solve for x
    x = 724,481,859,141.36/779,246.40
  6. Step 6: Final answer
    x = 929,721.15

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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.