Home / 986,411.40-1,361,247.62-533,702.44

Finding the Fourth Proportional to 986,411.40, 1,361,247.62 and 533,702.44

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Solution

The fourth proportional to 986,411.40, 1,361,247.62 and 533,702.44 is: 736,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,411.40 : 1,361,247.62 = 533,702.44 : x
  2. Step 2: Convert to fraction form
    986,411.40/1,361,247.62 = 533,702.44/x
  3. Step 3: Cross multiply
    986,411.40x = 1,361,247.62 × 533,702.44
  4. Step 4: Simplify right side
    986,411.40x = 726,501,176,238.19
  5. Step 5: Solve for x
    x = 726,501,176,238.19/986,411.40
  6. Step 6: Final answer
    x = 736,509.31

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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.