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Finding the Fourth Proportional to 1,083,562, 1,495,311.81 and 624,674.38

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Solution

The fourth proportional to 1,083,562, 1,495,311.81 and 624,674.38 is: 862,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,562 : 1,495,311.81 = 624,674.38 : x
  2. Step 2: Convert to fraction form
    1,083,562/1,495,311.81 = 624,674.38/x
  3. Step 3: Cross multiply
    1,083,562x = 1,495,311.81 × 624,674.38
  4. Step 4: Simplify right side
    1,083,562x = 934,082,977,818.43
  5. Step 5: Solve for x
    x = 934,082,977,818.43/1,083,562
  6. Step 6: Final answer
    x = 862,048.48

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.