Home / 852,229.80-1,176,048.90-470,256.84

Finding the Fourth Proportional to 852,229.80, 1,176,048.90 and 470,256.84

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Solution

The fourth proportional to 852,229.80, 1,176,048.90 and 470,256.84 is: 648,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,229.80 : 1,176,048.90 = 470,256.84 : x
  2. Step 2: Convert to fraction form
    852,229.80/1,176,048.90 = 470,256.84/x
  3. Step 3: Cross multiply
    852,229.80x = 1,176,048.90 × 470,256.84
  4. Step 4: Simplify right side
    852,229.80x = 553,045,039,399.48
  5. Step 5: Solve for x
    x = 553,045,039,399.48/852,229.80
  6. Step 6: Final answer
    x = 648,938.87

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Double scale
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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.