Home / 778,606.20-1,167,909.30-773,357.40

Finding the Fourth Proportional to 778,606.20, 1,167,909.30 and 773,357.40

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Solution

The fourth proportional to 778,606.20, 1,167,909.30 and 773,357.40 is: 1,160,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,606.20 : 1,167,909.30 = 773,357.40 : x
  2. Step 2: Convert to fraction form
    778,606.20/1,167,909.30 = 773,357.40/x
  3. Step 3: Cross multiply
    778,606.20x = 1,167,909.30 × 773,357.40
  4. Step 4: Simplify right side
    778,606.20x = 903,211,299,683.82
  5. Step 5: Solve for x
    x = 903,211,299,683.82/778,606.20
  6. Step 6: Final answer
    x = 1,160,036.10

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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.