Home / 917,735.76-1,266,491.16-535,778.64

Finding the Fourth Proportional to 917,735.76, 1,266,491.16 and 535,778.64

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Solution

The fourth proportional to 917,735.76, 1,266,491.16 and 535,778.64 is: 739,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,735.76 : 1,266,491.16 = 535,778.64 : x
  2. Step 2: Convert to fraction form
    917,735.76/1,266,491.16 = 535,778.64/x
  3. Step 3: Cross multiply
    917,735.76x = 1,266,491.16 × 535,778.64
  4. Step 4: Simplify right side
    917,735.76x = 678,558,911,276.82
  5. Step 5: Solve for x
    x = 678,558,911,276.82/917,735.76
  6. Step 6: Final answer
    x = 739,383.75

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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.