Home / 989,130.20-1,483,695.30-569,226.20

Finding the Fourth Proportional to 989,130.20, 1,483,695.30 and 569,226.20

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Solution

The fourth proportional to 989,130.20, 1,483,695.30 and 569,226.20 is: 853,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,130.20 : 1,483,695.30 = 569,226.20 : x
  2. Step 2: Convert to fraction form
    989,130.20/1,483,695.30 = 569,226.20/x
  3. Step 3: Cross multiply
    989,130.20x = 1,483,695.30 × 569,226.20
  4. Step 4: Simplify right side
    989,130.20x = 844,558,237,576.86
  5. Step 5: Solve for x
    x = 844,558,237,576.86/989,130.20
  6. Step 6: Final answer
    x = 853,839.30

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Double scale
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Similar ratio
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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.