Home / 739,579.60-1,109,369.40-710,549.20

Finding the Fourth Proportional to 739,579.60, 1,109,369.40 and 710,549.20

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Solution

The fourth proportional to 739,579.60, 1,109,369.40 and 710,549.20 is: 1,065,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,579.60 : 1,109,369.40 = 710,549.20 : x
  2. Step 2: Convert to fraction form
    739,579.60/1,109,369.40 = 710,549.20/x
  3. Step 3: Cross multiply
    739,579.60x = 1,109,369.40 × 710,549.20
  4. Step 4: Simplify right side
    739,579.60x = 788,261,539,674.48
  5. Step 5: Solve for x
    x = 788,261,539,674.48/739,579.60
  6. Step 6: Final answer
    x = 1,065,823.80

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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.