Home / 651,708.10-977,562.15-202,425.40

Finding the Fourth Proportional to 651,708.10, 977,562.15 and 202,425.40

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Solution

The fourth proportional to 651,708.10, 977,562.15 and 202,425.40 is: 303,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,708.10 : 977,562.15 = 202,425.40 : x
  2. Step 2: Convert to fraction form
    651,708.10/977,562.15 = 202,425.40/x
  3. Step 3: Cross multiply
    651,708.10x = 977,562.15 × 202,425.40
  4. Step 4: Simplify right side
    651,708.10x = 197,883,409,238.61
  5. Step 5: Solve for x
    x = 197,883,409,238.61/651,708.10
  6. Step 6: Final answer
    x = 303,638.10

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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.