Home / 651,872.10-977,808.15-651,872.10

Finding the Fourth Proportional to 651,872.10, 977,808.15 and 651,872.10

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Solution

The fourth proportional to 651,872.10, 977,808.15 and 651,872.10 is: 977,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,872.10 : 977,808.15 = 651,872.10 : x
  2. Step 2: Convert to fraction form
    651,872.10/977,808.15 = 651,872.10/x
  3. Step 3: Cross multiply
    651,872.10x = 977,808.15 × 651,872.10
  4. Step 4: Simplify right side
    651,872.10x = 637,405,852,137.62
  5. Step 5: Solve for x
    x = 637,405,852,137.62/651,872.10
  6. Step 6: Final answer
    x = 977,808.15

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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.