Home / 989,475.02-1,365,478.16-536,766.02

Finding the Fourth Proportional to 989,475.02, 1,365,478.16 and 536,766.02

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Solution

The fourth proportional to 989,475.02, 1,365,478.16 and 536,766.02 is: 740,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,475.02 : 1,365,478.16 = 536,766.02 : x
  2. Step 2: Convert to fraction form
    989,475.02/1,365,478.16 = 536,766.02/x
  3. Step 3: Cross multiply
    989,475.02x = 1,365,478.16 × 536,766.02
  4. Step 4: Simplify right side
    989,475.02x = 732,942,277,340.12
  5. Step 5: Solve for x
    x = 732,942,277,340.12/989,475.02
  6. Step 6: Final answer
    x = 740,738.54

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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.