Home / 992,212.80-1,488,319.20-594,081.60

Finding the Fourth Proportional to 992,212.80, 1,488,319.20 and 594,081.60

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Solution

The fourth proportional to 992,212.80, 1,488,319.20 and 594,081.60 is: 891,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,212.80 : 1,488,319.20 = 594,081.60 : x
  2. Step 2: Convert to fraction form
    992,212.80/1,488,319.20 = 594,081.60/x
  3. Step 3: Cross multiply
    992,212.80x = 1,488,319.20 × 594,081.60
  4. Step 4: Simplify right side
    992,212.80x = 884,183,051,646.72
  5. Step 5: Solve for x
    x = 884,183,051,646.72/992,212.80
  6. Step 6: Final answer
    x = 891,122.40

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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.