Home / 985,989.57-1,360,665.71-533,280.57

Finding the Fourth Proportional to 985,989.57, 1,360,665.71 and 533,280.57

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Solution

The fourth proportional to 985,989.57, 1,360,665.71 and 533,280.57 is: 735,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,989.57 : 1,360,665.71 = 533,280.57 : x
  2. Step 2: Convert to fraction form
    985,989.57/1,360,665.71 = 533,280.57/x
  3. Step 3: Cross multiply
    985,989.57x = 1,360,665.71 × 533,280.57
  4. Step 4: Simplify right side
    985,989.57x = 725,616,582,741.85
  5. Step 5: Solve for x
    x = 725,616,582,741.85/985,989.57
  6. Step 6: Final answer
    x = 735,927.24

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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.