Home / 545,911.02-753,413.27-328,190.18

Finding the Fourth Proportional to 545,911.02, 753,413.27 and 328,190.18

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Solution

The fourth proportional to 545,911.02, 753,413.27 and 328,190.18 is: 452,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,911.02 : 753,413.27 = 328,190.18 : x
  2. Step 2: Convert to fraction form
    545,911.02/753,413.27 = 328,190.18/x
  3. Step 3: Cross multiply
    545,911.02x = 753,413.27 × 328,190.18
  4. Step 4: Simplify right side
    545,911.02x = 247,262,831,287.67
  5. Step 5: Solve for x
    x = 247,262,831,287.67/545,911.02
  6. Step 6: Final answer
    x = 452,936.14

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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.