Home / 961,411.60-1,442,117.40-809,196.40

Finding the Fourth Proportional to 961,411.60, 1,442,117.40 and 809,196.40

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Solution

The fourth proportional to 961,411.60, 1,442,117.40 and 809,196.40 is: 1,213,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,411.60 : 1,442,117.40 = 809,196.40 : x
  2. Step 2: Convert to fraction form
    961,411.60/1,442,117.40 = 809,196.40/x
  3. Step 3: Cross multiply
    961,411.60x = 1,442,117.40 × 809,196.40
  4. Step 4: Simplify right side
    961,411.60x = 1,166,956,208,457.36
  5. Step 5: Solve for x
    x = 1,166,956,208,457.36/961,411.60
  6. Step 6: Final answer
    x = 1,213,794.60

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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.