Home / 724,373.01-999,584.73-402,057.74

Finding the Fourth Proportional to 724,373.01, 999,584.73 and 402,057.74

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Solution

The fourth proportional to 724,373.01, 999,584.73 and 402,057.74 is: 554,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,373.01 : 999,584.73 = 402,057.74 : x
  2. Step 2: Convert to fraction form
    724,373.01/999,584.73 = 402,057.74/x
  3. Step 3: Cross multiply
    724,373.01x = 999,584.73 × 402,057.74
  4. Step 4: Simplify right side
    724,373.01x = 401,890,772,484.39
  5. Step 5: Solve for x
    x = 401,890,772,484.39/724,373.01
  6. Step 6: Final answer
    x = 554,811.91

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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.