Home / 642,554.20-963,539.70-243,062.20

Finding the Fourth Proportional to 642,554.20, 963,539.70 and 243,062.20

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Solution

The fourth proportional to 642,554.20, 963,539.70 and 243,062.20 is: 364,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,554.20 : 963,539.70 = 243,062.20 : x
  2. Step 2: Convert to fraction form
    642,554.20/963,539.70 = 243,062.20/x
  3. Step 3: Cross multiply
    642,554.20x = 963,539.70 × 243,062.20
  4. Step 4: Simplify right side
    642,554.20x = 234,200,079,269.34
  5. Step 5: Solve for x
    x = 234,200,079,269.34/642,554.20
  6. Step 6: Final answer
    x = 364,483.00

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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.