Home / 644,263.11-962,056.03-526,168.71

Finding the Fourth Proportional to 644,263.11, 962,056.03 and 526,168.71

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Solution

The fourth proportional to 644,263.11, 962,056.03 and 526,168.71 is: 785,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,263.11 : 962,056.03 = 526,168.71 : x
  2. Step 2: Convert to fraction form
    644,263.11/962,056.03 = 526,168.71/x
  3. Step 3: Cross multiply
    644,263.11x = 962,056.03 × 526,168.71
  4. Step 4: Simplify right side
    644,263.11x = 506,203,778,937.40
  5. Step 5: Solve for x
    x = 506,203,778,937.40/644,263.11
  6. Step 6: Final answer
    x = 785,709.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.