Home / 744,945.10-1,116,640.05-407,466.70

Finding the Fourth Proportional to 744,945.10, 1,116,640.05 and 407,466.70

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Solution

The fourth proportional to 744,945.10, 1,116,640.05 and 407,466.70 is: 610,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,945.10 : 1,116,640.05 = 407,466.70 : x
  2. Step 2: Convert to fraction form
    744,945.10/1,116,640.05 = 407,466.70/x
  3. Step 3: Cross multiply
    744,945.10x = 1,116,640.05 × 407,466.70
  4. Step 4: Simplify right side
    744,945.10x = 454,993,636,261.34
  5. Step 5: Solve for x
    x = 454,993,636,261.34/744,945.10
  6. Step 6: Final answer
    x = 610,774.72

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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.