Home / 1,166,808.60-1,750,212.90-686,543.40

Finding the Fourth Proportional to 1,166,808.60, 1,750,212.90 and 686,543.40

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Solution

The fourth proportional to 1,166,808.60, 1,750,212.90 and 686,543.40 is: 1,029,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,808.60 : 1,750,212.90 = 686,543.40 : x
  2. Step 2: Convert to fraction form
    1,166,808.60/1,750,212.90 = 686,543.40/x
  3. Step 3: Cross multiply
    1,166,808.60x = 1,750,212.90 × 686,543.40
  4. Step 4: Simplify right side
    1,166,808.60x = 1,201,597,115,089.86
  5. Step 5: Solve for x
    x = 1,201,597,115,089.86/1,166,808.60
  6. Step 6: Final answer
    x = 1,029,815.10

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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.