Home / 651,310.80-976,966.20-617,096.40

Finding the Fourth Proportional to 651,310.80, 976,966.20 and 617,096.40

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Solution

The fourth proportional to 651,310.80, 976,966.20 and 617,096.40 is: 925,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,310.80 : 976,966.20 = 617,096.40 : x
  2. Step 2: Convert to fraction form
    651,310.80/976,966.20 = 617,096.40/x
  3. Step 3: Cross multiply
    651,310.80x = 976,966.20 × 617,096.40
  4. Step 4: Simplify right side
    651,310.80x = 602,882,324,941.68
  5. Step 5: Solve for x
    x = 602,882,324,941.68/651,310.80
  6. Step 6: Final answer
    x = 925,644.60

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Half scale
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Double scale
Find fourth proportional to 651,311.80, 976,967.70 and 617,097.40
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.