Home / 989,475.04-1,365,478.18-536,766.04

Finding the Fourth Proportional to 989,475.04, 1,365,478.18 and 536,766.04

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Solution

The fourth proportional to 989,475.04, 1,365,478.18 and 536,766.04 is: 740,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,475.04 : 1,365,478.18 = 536,766.04 : x
  2. Step 2: Convert to fraction form
    989,475.04/1,365,478.18 = 536,766.04/x
  3. Step 3: Cross multiply
    989,475.04x = 1,365,478.18 × 536,766.04
  4. Step 4: Simplify right side
    989,475.04x = 732,942,315,385.01
  5. Step 5: Solve for x
    x = 732,942,315,385.01/989,475.04
  6. Step 6: Final answer
    x = 740,738.56

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1.5x scale

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.