Home / 649,748.65-896,293.16-377,786.50

Finding the Fourth Proportional to 649,748.65, 896,293.16 and 377,786.50

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Solution

The fourth proportional to 649,748.65, 896,293.16 and 377,786.50 is: 521,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,748.65 : 896,293.16 = 377,786.50 : x
  2. Step 2: Convert to fraction form
    649,748.65/896,293.16 = 377,786.50/x
  3. Step 3: Cross multiply
    649,748.65x = 896,293.16 × 377,786.50
  4. Step 4: Simplify right side
    649,748.65x = 338,607,455,890.34
  5. Step 5: Solve for x
    x = 338,607,455,890.34/649,748.65
  6. Step 6: Final answer
    x = 521,136.07

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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.