Home / 590,941.40-886,412.10-275,430.20

Finding the Fourth Proportional to 590,941.40, 886,412.10 and 275,430.20

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Solution

The fourth proportional to 590,941.40, 886,412.10 and 275,430.20 is: 413,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,941.40 : 886,412.10 = 275,430.20 : x
  2. Step 2: Convert to fraction form
    590,941.40/886,412.10 = 275,430.20/x
  3. Step 3: Cross multiply
    590,941.40x = 886,412.10 × 275,430.20
  4. Step 4: Simplify right side
    590,941.40x = 244,144,661,985.42
  5. Step 5: Solve for x
    x = 244,144,661,985.42/590,941.40
  6. Step 6: Final answer
    x = 413,145.30

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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.