Home / 877,146.56-1,210,485.84-532,865.36

Finding the Fourth Proportional to 877,146.56, 1,210,485.84 and 532,865.36

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Solution

The fourth proportional to 877,146.56, 1,210,485.84 and 532,865.36 is: 735,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,146.56 : 1,210,485.84 = 532,865.36 : x
  2. Step 2: Convert to fraction form
    877,146.56/1,210,485.84 = 532,865.36/x
  3. Step 3: Cross multiply
    877,146.56x = 1,210,485.84 × 532,865.36
  4. Step 4: Simplify right side
    877,146.56x = 645,025,972,906.50
  5. Step 5: Solve for x
    x = 645,025,972,906.50/877,146.56
  6. Step 6: Final answer
    x = 735,368.53

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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.