Home / 1,295,061.60-1,941,751.44-621,127.20

Finding the Fourth Proportional to 1,295,061.60, 1,941,751.44 and 621,127.20

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Solution

The fourth proportional to 1,295,061.60, 1,941,751.44 and 621,127.20 is: 931,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,061.60 : 1,941,751.44 = 621,127.20 : x
  2. Step 2: Convert to fraction form
    1,295,061.60/1,941,751.44 = 621,127.20/x
  3. Step 3: Cross multiply
    1,295,061.60x = 1,941,751.44 × 621,127.20
  4. Step 4: Simplify right side
    1,295,061.60x = 1,206,074,635,023.17
  5. Step 5: Solve for x
    x = 1,206,074,635,023.17/1,295,061.60
  6. Step 6: Final answer
    x = 931,287.47

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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.