Home / 811,337.31-1,119,878.33-535,896.68

Finding the Fourth Proportional to 811,337.31, 1,119,878.33 and 535,896.68

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Solution

The fourth proportional to 811,337.31, 1,119,878.33 and 535,896.68 is: 739,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,337.31 : 1,119,878.33 = 535,896.68 : x
  2. Step 2: Convert to fraction form
    811,337.31/1,119,878.33 = 535,896.68/x
  3. Step 3: Cross multiply
    811,337.31x = 1,119,878.33 × 535,896.68
  4. Step 4: Simplify right side
    811,337.31x = 600,139,070,772.07
  5. Step 5: Solve for x
    x = 600,139,070,772.07/811,337.31
  6. Step 6: Final answer
    x = 739,691.20

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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.