Home / 651,882.80-977,824.20-628,263.20

Finding the Fourth Proportional to 651,882.80, 977,824.20 and 628,263.20

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Solution

The fourth proportional to 651,882.80, 977,824.20 and 628,263.20 is: 942,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,882.80 : 977,824.20 = 628,263.20 : x
  2. Step 2: Convert to fraction form
    651,882.80/977,824.20 = 628,263.20/x
  3. Step 3: Cross multiply
    651,882.80x = 977,824.20 × 628,263.20
  4. Step 4: Simplify right side
    651,882.80x = 614,330,960,929.44
  5. Step 5: Solve for x
    x = 614,330,960,929.44/651,882.80
  6. Step 6: Final answer
    x = 942,394.80

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Double scale
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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.