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Finding the Fourth Proportional to 908,666.70, 1,363,000.05 and 896,856.90

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Solution

The fourth proportional to 908,666.70, 1,363,000.05 and 896,856.90 is: 1,345,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,666.70 : 1,363,000.05 = 896,856.90 : x
  2. Step 2: Convert to fraction form
    908,666.70/1,363,000.05 = 896,856.90/x
  3. Step 3: Cross multiply
    908,666.70x = 1,363,000.05 × 896,856.90
  4. Step 4: Simplify right side
    908,666.70x = 1,222,415,999,542.85
  5. Step 5: Solve for x
    x = 1,222,415,999,542.85/908,666.70
  6. Step 6: Final answer
    x = 1,345,285.35

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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.