Home / 1,155,090.78-1,593,385.47-671,602.50

Finding the Fourth Proportional to 1,155,090.78, 1,593,385.47 and 671,602.50

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Solution

The fourth proportional to 1,155,090.78, 1,593,385.47 and 671,602.50 is: 926,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,090.78 : 1,593,385.47 = 671,602.50 : x
  2. Step 2: Convert to fraction form
    1,155,090.78/1,593,385.47 = 671,602.50/x
  3. Step 3: Cross multiply
    1,155,090.78x = 1,593,385.47 × 671,602.50
  4. Step 4: Simplify right side
    1,155,090.78x = 1,070,121,665,115.68
  5. Step 5: Solve for x
    x = 1,070,121,665,115.68/1,155,090.78
  6. Step 6: Final answer
    x = 926,439.45

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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.