Home / 634,199.04-875,194.68-347,721.12

Finding the Fourth Proportional to 634,199.04, 875,194.68 and 347,721.12

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Solution

The fourth proportional to 634,199.04, 875,194.68 and 347,721.12 is: 479,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,199.04 : 875,194.68 = 347,721.12 : x
  2. Step 2: Convert to fraction form
    634,199.04/875,194.68 = 347,721.12/x
  3. Step 3: Cross multiply
    634,199.04x = 875,194.68 × 347,721.12
  4. Step 4: Simplify right side
    634,199.04x = 304,323,674,347.64
  5. Step 5: Solve for x
    x = 304,323,674,347.64/634,199.04
  6. Step 6: Final answer
    x = 479,855.15

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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.