Home / 634,914.33-876,221.15-419,681.13

Finding the Fourth Proportional to 634,914.33, 876,221.15 and 419,681.13

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Solution

The fourth proportional to 634,914.33, 876,221.15 and 419,681.13 is: 579,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,914.33 : 876,221.15 = 419,681.13 : x
  2. Step 2: Convert to fraction form
    634,914.33/876,221.15 = 419,681.13/x
  3. Step 3: Cross multiply
    634,914.33x = 876,221.15 × 419,681.13
  4. Step 4: Simplify right side
    634,914.33x = 367,733,482,361.90
  5. Step 5: Solve for x
    x = 367,733,482,361.90/634,914.33
  6. Step 6: Final answer
    x = 579,185.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.