Home / 877,120.60-1,316,141.96-622,595.72

Finding the Fourth Proportional to 877,120.60, 1,316,141.96 and 622,595.72

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Solution

The fourth proportional to 877,120.60, 1,316,141.96 and 622,595.72 is: 934,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,120.60 : 1,316,141.96 = 622,595.72 : x
  2. Step 2: Convert to fraction form
    877,120.60/1,316,141.96 = 622,595.72/x
  3. Step 3: Cross multiply
    877,120.60x = 1,316,141.96 × 622,595.72
  4. Step 4: Simplify right side
    877,120.60x = 819,424,351,208.41
  5. Step 5: Solve for x
    x = 819,424,351,208.41/877,120.60
  6. Step 6: Final answer
    x = 934,220.85

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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.