Home / 947,602.35-1,307,688.07-517,882.36

Finding the Fourth Proportional to 947,602.35, 1,307,688.07 and 517,882.36

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Solution

The fourth proportional to 947,602.35, 1,307,688.07 and 517,882.36 is: 714,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,602.35 : 1,307,688.07 = 517,882.36 : x
  2. Step 2: Convert to fraction form
    947,602.35/1,307,688.07 = 517,882.36/x
  3. Step 3: Cross multiply
    947,602.35x = 1,307,688.07 × 517,882.36
  4. Step 4: Simplify right side
    947,602.35x = 677,228,583,835.45
  5. Step 5: Solve for x
    x = 677,228,583,835.45/947,602.35
  6. Step 6: Final answer
    x = 714,675.92

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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.