Home / 992,246.80-1,488,370.20-519,077.20

Finding the Fourth Proportional to 992,246.80, 1,488,370.20 and 519,077.20

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Solution

The fourth proportional to 992,246.80, 1,488,370.20 and 519,077.20 is: 778,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,246.80 : 1,488,370.20 = 519,077.20 : x
  2. Step 2: Convert to fraction form
    992,246.80/1,488,370.20 = 519,077.20/x
  3. Step 3: Cross multiply
    992,246.80x = 1,488,370.20 × 519,077.20
  4. Step 4: Simplify right side
    992,246.80x = 772,579,035,979.44
  5. Step 5: Solve for x
    x = 772,579,035,979.44/992,246.80
  6. Step 6: Final answer
    x = 778,615.80

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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.