Home / 842,488.40-1,263,732.60-468,511.40

Finding the Fourth Proportional to 842,488.40, 1,263,732.60 and 468,511.40

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Solution

The fourth proportional to 842,488.40, 1,263,732.60 and 468,511.40 is: 702,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,488.40 : 1,263,732.60 = 468,511.40 : x
  2. Step 2: Convert to fraction form
    842,488.40/1,263,732.60 = 468,511.40/x
  3. Step 3: Cross multiply
    842,488.40x = 1,263,732.60 × 468,511.40
  4. Step 4: Simplify right side
    842,488.40x = 592,073,129,651.64
  5. Step 5: Solve for x
    x = 592,073,129,651.64/842,488.40
  6. Step 6: Final answer
    x = 702,767.10

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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.