Home / 1,207,849.60-1,812,811.20-534,966.40

Finding the Fourth Proportional to 1,207,849.60, 1,812,811.20 and 534,966.40

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Solution

The fourth proportional to 1,207,849.60, 1,812,811.20 and 534,966.40 is: 802,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,849.60 : 1,812,811.20 = 534,966.40 : x
  2. Step 2: Convert to fraction form
    1,207,849.60/1,812,811.20 = 534,966.40/x
  3. Step 3: Cross multiply
    1,207,849.60x = 1,812,811.20 × 534,966.40
  4. Step 4: Simplify right side
    1,207,849.60x = 969,793,081,543.68
  5. Step 5: Solve for x
    x = 969,793,081,543.68/1,207,849.60
  6. Step 6: Final answer
    x = 802,908.81

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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.