Home / 989,844.92-1,485,329-534,430.05

Finding the Fourth Proportional to 989,844.92, 1,485,329 and 534,430.05

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Solution

The fourth proportional to 989,844.92, 1,485,329 and 534,430.05 is: 801,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,844.92 : 1,485,329 = 534,430.05 : x
  2. Step 2: Convert to fraction form
    989,844.92/1,485,329 = 534,430.05/x
  3. Step 3: Cross multiply
    989,844.92x = 1,485,329 × 534,430.05
  4. Step 4: Simplify right side
    989,844.92x = 793,804,451,736.45
  5. Step 5: Solve for x
    x = 793,804,451,736.45/989,844.92
  6. Step 6: Final answer
    x = 801,948.30

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1.5x scale

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.