Home / 877,144.56-1,210,483.08-532,863.36

Finding the Fourth Proportional to 877,144.56, 1,210,483.08 and 532,863.36

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Solution

The fourth proportional to 877,144.56, 1,210,483.08 and 532,863.36 is: 735,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,144.56 : 1,210,483.08 = 532,863.36 : x
  2. Step 2: Convert to fraction form
    877,144.56/1,210,483.08 = 532,863.36/x
  3. Step 3: Cross multiply
    877,144.56x = 1,210,483.08 × 532,863.36
  4. Step 4: Simplify right side
    877,144.56x = 645,022,081,231.95
  5. Step 5: Solve for x
    x = 645,022,081,231.95/877,144.56
  6. Step 6: Final answer
    x = 735,365.77

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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.