Home / 713,048.20-1,069,572.30-292,625.80

Finding the Fourth Proportional to 713,048.20, 1,069,572.30 and 292,625.80

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Solution

The fourth proportional to 713,048.20, 1,069,572.30 and 292,625.80 is: 438,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,048.20 : 1,069,572.30 = 292,625.80 : x
  2. Step 2: Convert to fraction form
    713,048.20/1,069,572.30 = 292,625.80/x
  3. Step 3: Cross multiply
    713,048.20x = 1,069,572.30 × 292,625.80
  4. Step 4: Simplify right side
    713,048.20x = 312,984,449,945.34
  5. Step 5: Solve for x
    x = 312,984,449,945.34/713,048.20
  6. Step 6: Final answer
    x = 438,938.70

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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.