Home / 790,239.47-1,090,533.24-427,663.22

Finding the Fourth Proportional to 790,239.47, 1,090,533.24 and 427,663.22

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Solution

The fourth proportional to 790,239.47, 1,090,533.24 and 427,663.22 is: 590,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,239.47 : 1,090,533.24 = 427,663.22 : x
  2. Step 2: Convert to fraction form
    790,239.47/1,090,533.24 = 427,663.22/x
  3. Step 3: Cross multiply
    790,239.47x = 1,090,533.24 × 427,663.22
  4. Step 4: Simplify right side
    790,239.47x = 466,380,951,482.77
  5. Step 5: Solve for x
    x = 466,380,951,482.77/790,239.47
  6. Step 6: Final answer
    x = 590,176.74

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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.