Home / 769,988.16-1,152,380.16-549,800.64

Finding the Fourth Proportional to 769,988.16, 1,152,380.16 and 549,800.64

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Solution

The fourth proportional to 769,988.16, 1,152,380.16 and 549,800.64 is: 822,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,988.16 : 1,152,380.16 = 549,800.64 : x
  2. Step 2: Convert to fraction form
    769,988.16/1,152,380.16 = 549,800.64/x
  3. Step 3: Cross multiply
    769,988.16x = 1,152,380.16 × 549,800.64
  4. Step 4: Simplify right side
    769,988.16x = 633,579,349,491.30
  5. Step 5: Solve for x
    x = 633,579,349,491.30/769,988.16
  6. Step 6: Final answer
    x = 822,842.98

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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.