Home / 561,330.30-841,995.45-324,551.10

Finding the Fourth Proportional to 561,330.30, 841,995.45 and 324,551.10

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Solution

The fourth proportional to 561,330.30, 841,995.45 and 324,551.10 is: 486,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,330.30 : 841,995.45 = 324,551.10 : x
  2. Step 2: Convert to fraction form
    561,330.30/841,995.45 = 324,551.10/x
  3. Step 3: Cross multiply
    561,330.30x = 841,995.45 × 324,551.10
  4. Step 4: Simplify right side
    561,330.30x = 273,270,549,492.50
  5. Step 5: Solve for x
    x = 273,270,549,492.50/561,330.30
  6. Step 6: Final answer
    x = 486,826.65

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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.