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Finding the Fourth Proportional to 898,136.70, 1,347,205.05 and 886,326.90

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Solution

The fourth proportional to 898,136.70, 1,347,205.05 and 886,326.90 is: 1,329,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,136.70 : 1,347,205.05 = 886,326.90 : x
  2. Step 2: Convert to fraction form
    898,136.70/1,347,205.05 = 886,326.90/x
  3. Step 3: Cross multiply
    898,136.70x = 1,347,205.05 × 886,326.90
  4. Step 4: Simplify right side
    898,136.70x = 1,194,064,075,630.85
  5. Step 5: Solve for x
    x = 1,194,064,075,630.85/898,136.70
  6. Step 6: Final answer
    x = 1,329,490.35

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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.