Home / 1,433,878.98-2,150,818.53-535,390.80

Finding the Fourth Proportional to 1,433,878.98, 2,150,818.53 and 535,390.80

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Solution

The fourth proportional to 1,433,878.98, 2,150,818.53 and 535,390.80 is: 803,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,878.98 : 2,150,818.53 = 535,390.80 : x
  2. Step 2: Convert to fraction form
    1,433,878.98/2,150,818.53 = 535,390.80/x
  3. Step 3: Cross multiply
    1,433,878.98x = 2,150,818.53 × 535,390.80
  4. Step 4: Simplify right side
    1,433,878.98x = 1,151,528,453,431.52
  5. Step 5: Solve for x
    x = 1,151,528,453,431.52/1,433,878.98
  6. Step 6: Final answer
    x = 803,086.22

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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.