Home / 976,818.60-1,465,487.10-345,666.60

Finding the Fourth Proportional to 976,818.60, 1,465,487.10 and 345,666.60

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Solution

The fourth proportional to 976,818.60, 1,465,487.10 and 345,666.60 is: 518,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,818.60 : 1,465,487.10 = 345,666.60 : x
  2. Step 2: Convert to fraction form
    976,818.60/1,465,487.10 = 345,666.60/x
  3. Step 3: Cross multiply
    976,818.60x = 1,465,487.10 × 345,666.60
  4. Step 4: Simplify right side
    976,818.60x = 506,569,943,200.86
  5. Step 5: Solve for x
    x = 506,569,943,200.86/976,818.60
  6. Step 6: Final answer
    x = 518,591.62

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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.