Home / 838,377.92-1,156,958.18-470,804.04

Finding the Fourth Proportional to 838,377.92, 1,156,958.18 and 470,804.04

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Solution

The fourth proportional to 838,377.92, 1,156,958.18 and 470,804.04 is: 649,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,377.92 : 1,156,958.18 = 470,804.04 : x
  2. Step 2: Convert to fraction form
    838,377.92/1,156,958.18 = 470,804.04/x
  3. Step 3: Cross multiply
    838,377.92x = 1,156,958.18 × 470,804.04
  4. Step 4: Simplify right side
    838,377.92x = 544,700,585,255.05
  5. Step 5: Solve for x
    x = 544,700,585,255.05/838,377.92
  6. Step 6: Final answer
    x = 649,707.69

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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.