Home / 1,353,008.60-2,029,512.90-406,256.30

Finding the Fourth Proportional to 1,353,008.60, 2,029,512.90 and 406,256.30

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Solution

The fourth proportional to 1,353,008.60, 2,029,512.90 and 406,256.30 is: 609,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,008.60 : 2,029,512.90 = 406,256.30 : x
  2. Step 2: Convert to fraction form
    1,353,008.60/2,029,512.90 = 406,256.30/x
  3. Step 3: Cross multiply
    1,353,008.60x = 2,029,512.90 × 406,256.30
  4. Step 4: Simplify right side
    1,353,008.60x = 824,502,401,556.27
  5. Step 5: Solve for x
    x = 824,502,401,556.27/1,353,008.60
  6. Step 6: Final answer
    x = 609,384.45

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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.