Home / 989,000.54-1,483,588.32-539,528.30

Finding the Fourth Proportional to 989,000.54, 1,483,588.32 and 539,528.30

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Solution

The fourth proportional to 989,000.54, 1,483,588.32 and 539,528.30 is: 809,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,000.54 : 1,483,588.32 = 539,528.30 : x
  2. Step 2: Convert to fraction form
    989,000.54/1,483,588.32 = 539,528.30/x
  3. Step 3: Cross multiply
    989,000.54x = 1,483,588.32 × 539,528.30
  4. Step 4: Simplify right side
    989,000.54x = 800,437,884,189.46
  5. Step 5: Solve for x
    x = 800,437,884,189.46/989,000.54
  6. Step 6: Final answer
    x = 809,340.19

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Double scale
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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.