Home / 634,839.93-876,077.85-344,451.40

Finding the Fourth Proportional to 634,839.93, 876,077.85 and 344,451.40

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Solution

The fourth proportional to 634,839.93, 876,077.85 and 344,451.40 is: 475,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,839.93 : 876,077.85 = 344,451.40 : x
  2. Step 2: Convert to fraction form
    634,839.93/876,077.85 = 344,451.40/x
  3. Step 3: Cross multiply
    634,839.93x = 876,077.85 × 344,451.40
  4. Step 4: Simplify right side
    634,839.93x = 301,766,241,042.99
  5. Step 5: Solve for x
    x = 301,766,241,042.99/634,839.93
  6. Step 6: Final answer
    x = 475,342.25

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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.