Home / 740,631.20-1,110,946.80-651,984.80

Finding the Fourth Proportional to 740,631.20, 1,110,946.80 and 651,984.80

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Solution

The fourth proportional to 740,631.20, 1,110,946.80 and 651,984.80 is: 977,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,631.20 : 1,110,946.80 = 651,984.80 : x
  2. Step 2: Convert to fraction form
    740,631.20/1,110,946.80 = 651,984.80/x
  3. Step 3: Cross multiply
    740,631.20x = 1,110,946.80 × 651,984.80
  4. Step 4: Simplify right side
    740,631.20x = 724,320,427,208.64
  5. Step 5: Solve for x
    x = 724,320,427,208.64/740,631.20
  6. Step 6: Final answer
    x = 977,977.20

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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.