Home / 1,446,875.13-1,996,280.46-1,140,000.15

Finding the Fourth Proportional to 1,446,875.13, 1,996,280.46 and 1,140,000.15

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Solution

The fourth proportional to 1,446,875.13, 1,996,280.46 and 1,140,000.15 is: 1,572,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,875.13 : 1,996,280.46 = 1,140,000.15 : x
  2. Step 2: Convert to fraction form
    1,446,875.13/1,996,280.46 = 1,140,000.15/x
  3. Step 3: Cross multiply
    1,446,875.13x = 1,996,280.46 × 1,140,000.15
  4. Step 4: Simplify right side
    1,446,875.13x = 2,275,760,023,842.07
  5. Step 5: Solve for x
    x = 2,275,760,023,842.07/1,446,875.13
  6. Step 6: Final answer
    x = 1,572,879.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.