Home / 807,623.10-1,211,434.65-555,680.70

Finding the Fourth Proportional to 807,623.10, 1,211,434.65 and 555,680.70

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Solution

The fourth proportional to 807,623.10, 1,211,434.65 and 555,680.70 is: 833,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,623.10 : 1,211,434.65 = 555,680.70 : x
  2. Step 2: Convert to fraction form
    807,623.10/1,211,434.65 = 555,680.70/x
  3. Step 3: Cross multiply
    807,623.10x = 1,211,434.65 × 555,680.70
  4. Step 4: Simplify right side
    807,623.10x = 673,170,854,316.26
  5. Step 5: Solve for x
    x = 673,170,854,316.26/807,623.10
  6. Step 6: Final answer
    x = 833,521.05

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Double scale
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Similar ratio
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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.