Home / 723,788.80-1,085,683.20-537,164.80

Finding the Fourth Proportional to 723,788.80, 1,085,683.20 and 537,164.80

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Solution

The fourth proportional to 723,788.80, 1,085,683.20 and 537,164.80 is: 805,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,788.80 : 1,085,683.20 = 537,164.80 : x
  2. Step 2: Convert to fraction form
    723,788.80/1,085,683.20 = 537,164.80/x
  3. Step 3: Cross multiply
    723,788.80x = 1,085,683.20 × 537,164.80
  4. Step 4: Simplify right side
    723,788.80x = 583,190,798,991.36
  5. Step 5: Solve for x
    x = 583,190,798,991.36/723,788.80
  6. Step 6: Final answer
    x = 805,747.20

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Double scale
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Similar ratio
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1.5x scale

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.