Home / 778,841.90-1,168,176.45-217,933.10

Finding the Fourth Proportional to 778,841.90, 1,168,176.45 and 217,933.10

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Solution

The fourth proportional to 778,841.90, 1,168,176.45 and 217,933.10 is: 326,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,841.90 : 1,168,176.45 = 217,933.10 : x
  2. Step 2: Convert to fraction form
    778,841.90/1,168,176.45 = 217,933.10/x
  3. Step 3: Cross multiply
    778,841.90x = 1,168,176.45 × 217,933.10
  4. Step 4: Simplify right side
    778,841.90x = 254,584,315,095.50
  5. Step 5: Solve for x
    x = 254,584,315,095.50/778,841.90
  6. Step 6: Final answer
    x = 326,875.47

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1.5x scale

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.