Home / 745,017.93-1,117,693.50-271,703.31

Finding the Fourth Proportional to 745,017.93, 1,117,693.50 and 271,703.31

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Solution

The fourth proportional to 745,017.93, 1,117,693.50 and 271,703.31 is: 407,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,017.93 : 1,117,693.50 = 271,703.31 : x
  2. Step 2: Convert to fraction form
    745,017.93/1,117,693.50 = 271,703.31/x
  3. Step 3: Cross multiply
    745,017.93x = 1,117,693.50 × 271,703.31
  4. Step 4: Simplify right side
    745,017.93x = 303,681,023,515.49
  5. Step 5: Solve for x
    x = 303,681,023,515.49/745,017.93
  6. Step 6: Final answer
    x = 407,615.72

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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.