Home / 763,206.10-1,144,809.15-707,218.90

Finding the Fourth Proportional to 763,206.10, 1,144,809.15 and 707,218.90

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Solution

The fourth proportional to 763,206.10, 1,144,809.15 and 707,218.90 is: 1,060,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,206.10 : 1,144,809.15 = 707,218.90 : x
  2. Step 2: Convert to fraction form
    763,206.10/1,144,809.15 = 707,218.90/x
  3. Step 3: Cross multiply
    763,206.10x = 1,144,809.15 × 707,218.90
  4. Step 4: Simplify right side
    763,206.10x = 809,630,667,772.94
  5. Step 5: Solve for x
    x = 809,630,667,772.94/763,206.10
  6. Step 6: Final answer
    x = 1,060,828.35

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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.