Home / 986,216.34-1,478,089.61-529,685.69

Finding the Fourth Proportional to 986,216.34, 1,478,089.61 and 529,685.69

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Solution

The fourth proportional to 986,216.34, 1,478,089.61 and 529,685.69 is: 793,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,216.34 : 1,478,089.61 = 529,685.69 : x
  2. Step 2: Convert to fraction form
    986,216.34/1,478,089.61 = 529,685.69/x
  3. Step 3: Cross multiply
    986,216.34x = 1,478,089.61 × 529,685.69
  4. Step 4: Simplify right side
    986,216.34x = 782,922,904,915.81
  5. Step 5: Solve for x
    x = 782,922,904,915.81/986,216.34
  6. Step 6: Final answer
    x = 793,865.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.