Home / 947,442.30-1,307,473.65-517,722.42

Finding the Fourth Proportional to 947,442.30, 1,307,473.65 and 517,722.42

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Solution

The fourth proportional to 947,442.30, 1,307,473.65 and 517,722.42 is: 714,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,442.30 : 1,307,473.65 = 517,722.42 : x
  2. Step 2: Convert to fraction form
    947,442.30/1,307,473.65 = 517,722.42/x
  3. Step 3: Cross multiply
    947,442.30x = 1,307,473.65 × 517,722.42
  4. Step 4: Simplify right side
    947,442.30x = 676,908,422,164.23
  5. Step 5: Solve for x
    x = 676,908,422,164.23/947,442.30
  6. Step 6: Final answer
    x = 714,458.73

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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.