Home / 696,010.40-1,044,015.60-459,814.40

Finding the Fourth Proportional to 696,010.40, 1,044,015.60 and 459,814.40

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Solution

The fourth proportional to 696,010.40, 1,044,015.60 and 459,814.40 is: 689,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,010.40 : 1,044,015.60 = 459,814.40 : x
  2. Step 2: Convert to fraction form
    696,010.40/1,044,015.60 = 459,814.40/x
  3. Step 3: Cross multiply
    696,010.40x = 1,044,015.60 × 459,814.40
  4. Step 4: Simplify right side
    696,010.40x = 480,053,406,704.64
  5. Step 5: Solve for x
    x = 480,053,406,704.64/696,010.40
  6. Step 6: Final answer
    x = 689,721.60

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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.