Home / 852,271.84-1,176,095.19-489,439.90

Finding the Fourth Proportional to 852,271.84, 1,176,095.19 and 489,439.90

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Solution

The fourth proportional to 852,271.84, 1,176,095.19 and 489,439.90 is: 675,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,271.84 : 1,176,095.19 = 489,439.90 : x
  2. Step 2: Convert to fraction form
    852,271.84/1,176,095.19 = 489,439.90/x
  3. Step 3: Cross multiply
    852,271.84x = 1,176,095.19 × 489,439.90
  4. Step 4: Simplify right side
    852,271.84x = 575,627,912,184.08
  5. Step 5: Solve for x
    x = 575,627,912,184.08/852,271.84
  6. Step 6: Final answer
    x = 675,404.12

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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.