Home / 1,411,665.92-2,116,308.48-612,345.60

Finding the Fourth Proportional to 1,411,665.92, 2,116,308.48 and 612,345.60

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Solution

The fourth proportional to 1,411,665.92, 2,116,308.48 and 612,345.60 is: 918,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,665.92 : 2,116,308.48 = 612,345.60 : x
  2. Step 2: Convert to fraction form
    1,411,665.92/2,116,308.48 = 612,345.60/x
  3. Step 3: Cross multiply
    1,411,665.92x = 2,116,308.48 × 612,345.60
  4. Step 4: Simplify right side
    1,411,665.92x = 1,295,912,185,970.69
  5. Step 5: Solve for x
    x = 1,295,912,185,970.69/1,411,665.92
  6. Step 6: Final answer
    x = 918,002.03

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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.