Home / 724,479.66-1,085,305.77-474,403.50

Finding the Fourth Proportional to 724,479.66, 1,085,305.77 and 474,403.50

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Solution

The fourth proportional to 724,479.66, 1,085,305.77 and 474,403.50 is: 710,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,479.66 : 1,085,305.77 = 474,403.50 : x
  2. Step 2: Convert to fraction form
    724,479.66/1,085,305.77 = 474,403.50/x
  3. Step 3: Cross multiply
    724,479.66x = 1,085,305.77 × 474,403.50
  4. Step 4: Simplify right side
    724,479.66x = 514,872,855,858.20
  5. Step 5: Solve for x
    x = 514,872,855,858.20/724,479.66
  6. Step 6: Final answer
    x = 710,679.52

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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.