Home / 688,566.40-950,196.36-382,661.80

Finding the Fourth Proportional to 688,566.40, 950,196.36 and 382,661.80

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Solution

The fourth proportional to 688,566.40, 950,196.36 and 382,661.80 is: 528,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,566.40 : 950,196.36 = 382,661.80 : x
  2. Step 2: Convert to fraction form
    688,566.40/950,196.36 = 382,661.80/x
  3. Step 3: Cross multiply
    688,566.40x = 950,196.36 × 382,661.80
  4. Step 4: Simplify right side
    688,566.40x = 363,603,849,471.05
  5. Step 5: Solve for x
    x = 363,603,849,471.05/688,566.40
  6. Step 6: Final answer
    x = 528,059.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.