Home / 848,335.80-1,272,503.70-470,422.20

Finding the Fourth Proportional to 848,335.80, 1,272,503.70 and 470,422.20

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Solution

The fourth proportional to 848,335.80, 1,272,503.70 and 470,422.20 is: 705,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,335.80 : 1,272,503.70 = 470,422.20 : x
  2. Step 2: Convert to fraction form
    848,335.80/1,272,503.70 = 470,422.20/x
  3. Step 3: Cross multiply
    848,335.80x = 1,272,503.70 × 470,422.20
  4. Step 4: Simplify right side
    848,335.80x = 598,613,990,062.14
  5. Step 5: Solve for x
    x = 598,613,990,062.14/848,335.80
  6. Step 6: Final answer
    x = 705,633.30

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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.