Home / 634,192.89-875,194.79-347,712.36

Finding the Fourth Proportional to 634,192.89, 875,194.79 and 347,712.36

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Solution

The fourth proportional to 634,192.89, 875,194.79 and 347,712.36 is: 479,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,192.89 : 875,194.79 = 347,712.36 : x
  2. Step 2: Convert to fraction form
    634,192.89/875,194.79 = 347,712.36/x
  3. Step 3: Cross multiply
    634,192.89x = 875,194.79 × 347,712.36
  4. Step 4: Simplify right side
    634,192.89x = 304,316,044,152.04
  5. Step 5: Solve for x
    x = 304,316,044,152.04/634,192.89
  6. Step 6: Final answer
    x = 479,847.77

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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.