Home / 852,191.69-1,175,985.14-489,360.29

Finding the Fourth Proportional to 852,191.69, 1,175,985.14 and 489,360.29

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Solution

The fourth proportional to 852,191.69, 1,175,985.14 and 489,360.29 is: 675,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,191.69 : 1,175,985.14 = 489,360.29 : x
  2. Step 2: Convert to fraction form
    852,191.69/1,175,985.14 = 489,360.29/x
  3. Step 3: Cross multiply
    852,191.69x = 1,175,985.14 × 489,360.29
  4. Step 4: Simplify right side
    852,191.69x = 575,480,420,819.36
  5. Step 5: Solve for x
    x = 575,480,420,819.36/852,191.69
  6. Step 6: Final answer
    x = 675,294.57

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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.