Home / 989,200.32-1,365,104.16-536,491.20

Finding the Fourth Proportional to 989,200.32, 1,365,104.16 and 536,491.20

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Solution

The fourth proportional to 989,200.32, 1,365,104.16 and 536,491.20 is: 740,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,200.32 : 1,365,104.16 = 536,491.20 : x
  2. Step 2: Convert to fraction form
    989,200.32/1,365,104.16 = 536,491.20/x
  3. Step 3: Cross multiply
    989,200.32x = 1,365,104.16 × 536,491.20
  4. Step 4: Simplify right side
    989,200.32x = 732,366,368,923.39
  5. Step 5: Solve for x
    x = 732,366,368,923.39/989,200.32
  6. Step 6: Final answer
    x = 740,362.04

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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.