Home / 960,057.10-1,440,085.65-603,916.30

Finding the Fourth Proportional to 960,057.10, 1,440,085.65 and 603,916.30

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Solution

The fourth proportional to 960,057.10, 1,440,085.65 and 603,916.30 is: 905,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,057.10 : 1,440,085.65 = 603,916.30 : x
  2. Step 2: Convert to fraction form
    960,057.10/1,440,085.65 = 603,916.30/x
  3. Step 3: Cross multiply
    960,057.10x = 1,440,085.65 × 603,916.30
  4. Step 4: Simplify right side
    960,057.10x = 869,691,197,431.10
  5. Step 5: Solve for x
    x = 869,691,197,431.10/960,057.10
  6. Step 6: Final answer
    x = 905,874.45

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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.