Home / 696,109.40-1,044,164.10-363,642.20

Finding the Fourth Proportional to 696,109.40, 1,044,164.10 and 363,642.20

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Solution

The fourth proportional to 696,109.40, 1,044,164.10 and 363,642.20 is: 545,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,109.40 : 1,044,164.10 = 363,642.20 : x
  2. Step 2: Convert to fraction form
    696,109.40/1,044,164.10 = 363,642.20/x
  3. Step 3: Cross multiply
    696,109.40x = 1,044,164.10 × 363,642.20
  4. Step 4: Simplify right side
    696,109.40x = 379,702,130,485.02
  5. Step 5: Solve for x
    x = 379,702,130,485.02/696,109.40
  6. Step 6: Final answer
    x = 545,463.30

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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.