Home / 903,108.61-1,355,475.08-482,743.81

Finding the Fourth Proportional to 903,108.61, 1,355,475.08 and 482,743.81

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Solution

The fourth proportional to 903,108.61, 1,355,475.08 and 482,743.81 is: 724,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,108.61 : 1,355,475.08 = 482,743.81 : x
  2. Step 2: Convert to fraction form
    903,108.61/1,355,475.08 = 482,743.81/x
  3. Step 3: Cross multiply
    903,108.61x = 1,355,475.08 × 482,743.81
  4. Step 4: Simplify right side
    903,108.61x = 654,347,204,479.26
  5. Step 5: Solve for x
    x = 654,347,204,479.26/903,108.61
  6. Step 6: Final answer
    x = 724,549.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.