Home / 877,348.92-1,316,023.23-478,325.25

Finding the Fourth Proportional to 877,348.92, 1,316,023.23 and 478,325.25

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Solution

The fourth proportional to 877,348.92, 1,316,023.23 and 478,325.25 is: 717,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,348.92 : 1,316,023.23 = 478,325.25 : x
  2. Step 2: Convert to fraction form
    877,348.92/1,316,023.23 = 478,325.25/x
  3. Step 3: Cross multiply
    877,348.92x = 1,316,023.23 × 478,325.25
  4. Step 4: Simplify right side
    877,348.92x = 629,487,140,495.56
  5. Step 5: Solve for x
    x = 629,487,140,495.56/877,348.92
  6. Step 6: Final answer
    x = 717,487.79

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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.