Home / 970,836.76-1,339,731.90-563,011.48

Finding the Fourth Proportional to 970,836.76, 1,339,731.90 and 563,011.48

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Solution

The fourth proportional to 970,836.76, 1,339,731.90 and 563,011.48 is: 776,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,836.76 : 1,339,731.90 = 563,011.48 : x
  2. Step 2: Convert to fraction form
    970,836.76/1,339,731.90 = 563,011.48/x
  3. Step 3: Cross multiply
    970,836.76x = 1,339,731.90 × 563,011.48
  4. Step 4: Simplify right side
    970,836.76x = 754,284,439,822.21
  5. Step 5: Solve for x
    x = 754,284,439,822.21/970,836.76
  6. Step 6: Final answer
    x = 776,942.60

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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.