Home / 547,479.02-821,220.48-168,397.19

Finding the Fourth Proportional to 547,479.02, 821,220.48 and 168,397.19

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Solution

The fourth proportional to 547,479.02, 821,220.48 and 168,397.19 is: 252,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,479.02 : 821,220.48 = 168,397.19 : x
  2. Step 2: Convert to fraction form
    547,479.02/821,220.48 = 168,397.19/x
  3. Step 3: Cross multiply
    547,479.02x = 821,220.48 × 168,397.19
  4. Step 4: Simplify right side
    547,479.02x = 138,291,223,255.50
  5. Step 5: Solve for x
    x = 138,291,223,255.50/547,479.02
  6. Step 6: Final answer
    x = 252,596.39

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Half scale
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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.