Home / 714,510.03-986,019.96-392,225.61

Finding the Fourth Proportional to 714,510.03, 986,019.96 and 392,225.61

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Solution

The fourth proportional to 714,510.03, 986,019.96 and 392,225.61 is: 541,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,510.03 : 986,019.96 = 392,225.61 : x
  2. Step 2: Convert to fraction form
    714,510.03/986,019.96 = 392,225.61/x
  3. Step 3: Cross multiply
    714,510.03x = 986,019.96 × 392,225.61
  4. Step 4: Simplify right side
    714,510.03x = 386,742,285,451.60
  5. Step 5: Solve for x
    x = 386,742,285,451.60/714,510.03
  6. Step 6: Final answer
    x = 541,269.22

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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.