Home / 1,692,133-2,335,143.54-928,188.39

Finding the Fourth Proportional to 1,692,133, 2,335,143.54 and 928,188.39

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Solution

The fourth proportional to 1,692,133, 2,335,143.54 and 928,188.39 is: 1,280,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,133 : 2,335,143.54 = 928,188.39 : x
  2. Step 2: Convert to fraction form
    1,692,133/2,335,143.54 = 928,188.39/x
  3. Step 3: Cross multiply
    1,692,133x = 2,335,143.54 × 928,188.39
  4. Step 4: Simplify right side
    1,692,133x = 2,167,453,122,811.50
  5. Step 5: Solve for x
    x = 2,167,453,122,811.50/1,692,133
  6. Step 6: Final answer
    x = 1,280,899.98

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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.