Home / 947,467.06-1,307,521.65-517,765.30

Finding the Fourth Proportional to 947,467.06, 1,307,521.65 and 517,765.30

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Solution

The fourth proportional to 947,467.06, 1,307,521.65 and 517,765.30 is: 714,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,467.06 : 1,307,521.65 = 517,765.30 : x
  2. Step 2: Convert to fraction form
    947,467.06/1,307,521.65 = 517,765.30/x
  3. Step 3: Cross multiply
    947,467.06x = 1,307,521.65 × 517,765.30
  4. Step 4: Simplify right side
    947,467.06x = 676,989,339,368.75
  5. Step 5: Solve for x
    x = 676,989,339,368.75/947,467.06
  6. Step 6: Final answer
    x = 714,525.46

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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.