Home / 778,409.10-1,168,002.45-441,708.30

Finding the Fourth Proportional to 778,409.10, 1,168,002.45 and 441,708.30

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Solution

The fourth proportional to 778,409.10, 1,168,002.45 and 441,708.30 is: 662,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,409.10 : 1,168,002.45 = 441,708.30 : x
  2. Step 2: Convert to fraction form
    778,409.10/1,168,002.45 = 441,708.30/x
  3. Step 3: Cross multiply
    778,409.10x = 1,168,002.45 × 441,708.30
  4. Step 4: Simplify right side
    778,409.10x = 515,916,376,585.34
  5. Step 5: Solve for x
    x = 515,916,376,585.34/778,409.10
  6. Step 6: Final answer
    x = 662,783.07

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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.