Home / 923,740.74-1,274,688.76-515,818.24

Finding the Fourth Proportional to 923,740.74, 1,274,688.76 and 515,818.24

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Solution

The fourth proportional to 923,740.74, 1,274,688.76 and 515,818.24 is: 711,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,740.74 : 1,274,688.76 = 515,818.24 : x
  2. Step 2: Convert to fraction form
    923,740.74/1,274,688.76 = 515,818.24/x
  3. Step 3: Cross multiply
    923,740.74x = 1,274,688.76 × 515,818.24
  4. Step 4: Simplify right side
    923,740.74x = 657,507,712,730.98
  5. Step 5: Solve for x
    x = 657,507,712,730.98/923,740.74
  6. Step 6: Final answer
    x = 711,788.15

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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.