Home / 828,151.03-1,142,821.79-465,590.11

Finding the Fourth Proportional to 828,151.03, 1,142,821.79 and 465,590.11

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Solution

The fourth proportional to 828,151.03, 1,142,821.79 and 465,590.11 is: 642,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,151.03 : 1,142,821.79 = 465,590.11 : x
  2. Step 2: Convert to fraction form
    828,151.03/1,142,821.79 = 465,590.11/x
  3. Step 3: Cross multiply
    828,151.03x = 1,142,821.79 × 465,590.11
  4. Step 4: Simplify right side
    828,151.03x = 532,086,518,366.36
  5. Step 5: Solve for x
    x = 532,086,518,366.36/828,151.03
  6. Step 6: Final answer
    x = 642,499.38

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1.5x scale

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.