Home / 651,206.60-977,040.30-628,166.60

Finding the Fourth Proportional to 651,206.60, 977,040.30 and 628,166.60

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Solution

The fourth proportional to 651,206.60, 977,040.30 and 628,166.60 is: 942,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,206.60 : 977,040.30 = 628,166.60 : x
  2. Step 2: Convert to fraction form
    651,206.60/977,040.30 = 628,166.60/x
  3. Step 3: Cross multiply
    651,206.60x = 977,040.30 × 628,166.60
  4. Step 4: Simplify right side
    651,206.60x = 613,744,083,313.98
  5. Step 5: Solve for x
    x = 613,744,083,313.98/651,206.60
  6. Step 6: Final answer
    x = 942,472.15

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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.